Why .Net Does not Support multiple inheritance?

1619

Write A Program to find the ambiguities in Multiple Inheritance? How are they resolved.(Virtual Functions)

3547

1.can i use super keyword in normal class(not inheritance) to call any method?if so how can i call particular variable? 2.In the inheritance how can i access the particular variable from the base class(it containing 5 variables) using super keyword?

1646

What is Generic in java? Where can we write Generic ( class or method or objects or etc...)? with simple example? Thanks, Bose. Infosys 2 In which way does a Primitive data type is passed ? Sun- Microsystems 4 what is the use of declaring constructor as private? Sai- Softech 5 what is difference between global methods and local methods? 1 What is meant by class loader and how many types are there? Apple 1 what is meaning of JIT? 4 What is an abstract class? Wipro 5 what is filters and its use? Virtusa 2 why is multiple inheritance not allowed in java? Elementus-Technologies 7 Differences between jdk 1.4 and 1.5 Wipro 4 is JVM platform dependent or independent..? IBM 6 what is main purpose of abstract class? 5 what is difference between colection and collections? Tech-Mahindra 11 What error occurs if a try-catch-finally statement sequence does not have a catch clause? 2 Explain the difference between scrollbar and scrollpane? 1 Explain the differences between public, private, protected and static? 4 Explain the difference between getAppletInfo and getParameterInfo? 1 Is Cegonsoft Pvt.Ltd. a good Institute? 4 Why only one Class is public in one file? Explain in details. Thanks in Advance. 11 Which method will get invoked first in a stand alone application?

2312

What is Difference Between Inheritance and creating object and getting data? means Class A extends B{ B.getMethod();} (OR) Class A{ b obj=new B(); obj.getMethod(); }

1971

1. What is Active Directory? 2. What is LDAP? 3. Can you connect Active Directory to other 3rd-party Directory Services? Name a few options. 4. Where is the AD database held? What other folders are related to AD? 5. What is the SYSVOL folder? 6. Name the AD NCs and replication issues for each NC 7. What are application partitions? When do I use them 8. How do you create a new application partition 9. How do you view replication properties for AD partitions and DCs? 10. What is the Global Catalog? 11. How do you view all the GCs in the forest? 12. Why not make all DCs in a large forest as GCs? 13. Trying to look at the Schema, how can I do that? 14. What are the Support Tools? Why do I need them? 15. What is LDP? What is REPLMON? What is ADSIEDIT? What is NETDOM? What is REPADMIN? 16. What are sites? What are they used for? 17. What’s the difference between a site link’s schedule and interval? 18. What is the KCC? 19. What is the ISTG? Who has that role by default? 20. What are the requirements for installing AD on a new server? 21. What can you do to promote a server to DC if you’re in a remote location with slow WAN link? 22. How can you forcibly remove AD from a server, and what do you do later? • Can I get user passwords from the AD database? 23. What tool would I use to try to grab security related packets from the wire? 24. Name some OU design considerations. 25. What is tombstone lifetime attribute? 26. What do you do to install a new Windows 2003 DC in a Windows 2000 AD? 27. What do you do to install a new Windows 2003 R2 DC in a Windows 2003 AD? 28. How would you find all users that have not logged on since last month? 29. What are the DS* commands? 30. What’s the difference between LDIFDE and CSVDE? Usage considerations? 31. What are the FSMO roles? Who has them by default? What happens when each one fails? 32. What FSMO placement considerations do you know of? 33. I want to look at the RID allocation table for a DC. What do I do? 34. What’s the difference between transferring a FSMO role and seizing one? Which one should you NOT seize? Why? 35. How do you configure a “stand-by operation master” for any of the roles? 36. How do you backup AD? 37. How do you restore AD? 38. How do you change the DS Restore admin password? 39. Why can’t you restore a DC that was backed up 4 months ago? 40. What are GPOs? 41. What is the order in which GPOs are applied? 42. Name a few benefits of using GPMC. 43. What are the GPC and the GPT? Where can I find them? 44. What are GPO links? What special things can I do to them? 45. What can I do to prevent inheritance from above? 46. How can I override blocking of inheritance? 47. How can you determine what GPO was and was not applied for a user? Name a few ways to do that. 48. A user claims he did not receive a GPO, yet his user and computer accounts are in the right OU, and everyone else there gets the GPO. What will you look for? 49. Name a few differences in Vista GPOs 50. Name some GPO settings in the computer and user parts. 51. What are administrative templates? 52. What’s the difference between software publishing and assigning? 53. Can I deploy non-MSI software with GPO? 54. You want to standardize the desktop environments (wallpaper, My Documents, Start menu, printers etc.) on the computers in one department. How would you do that?

2255

.What do you do to install a new Windows 2003 R2 DC in a Windows 2003 AD? 14. How would you find all users that have not logged on since last month? 15. What are the DS* commands? 16. What’s the difference between LDIFDE and CSVDE? Usage considerations? 17. What are the FSMO roles? Who has them by default? What happens when each one fails? 18. What FSMO placement considerations do you know of? 19. I want to look at the RID allocation table for a DC. What do I do? 20. What’s the difference between transferring a FSMO role and seizing one? Which one should you NOT seize? Why? 21. How do you configure a “stand-by operation master” for any of the roles? 22. How do you backup AD? 23. How do you restore AD? 24. How do you change the DS Restore admin password? 25. Why can’t you restore a DC that was backed up 4 months ago? 26. What are GPOs? 27. What is the order in which GPOs are applied? 28. Name a few benefits of using GPMC. 29. What are the GPC and the GPT? Where can I find them? 30. What are GPO links? What special things can I do to them? 31. What can I do to prevent inheritance from above? 32. How can I override blocking of inheritance? 33. How can you determine what GPO was and was not applied for a user? Name a few ways to do that. 34. A user claims he did not receive a GPO, yet his user and computer accounts are in the right OU, and everyone else there gets the GPO. What will you look for? 35. Name a few differences in Vista GPOs 36. Name some GPO settings in the computer and user parts. 37. What are administrative templates? 38. What’s the difference between software publishing and assigning? 39. Can I deploy non-MSI software with GPO? 40. You want to standardize the desktop environments (wallpaper, My Documents, Start menu, printers etc.) on the computers in one department. How would you do that? 1.What Is the diff b/w Win NT & win 2000 ? 2. What is difference b/w WIN NT DNS,DhCP and Win 2000 DNS,DHCp ? 3. What are the seven Layers of OSI model ? 4. what Is TCP /IP / 5. What is the difference b/w Netbios name & Hostname resolution ? 6. What are the Features of AD ?What are the diff roles of AD ?(FsmO) 7. How do you carry out migration from NT 4.0 to Windows 2000 ? 8. What is the size of SAM DB in NT 4.0 and how many objects can be created in win NT / Win 2k / 9. How do uimplement group policy and what is the difference b/w s/w deployment and publishing in AD ? 10. Where does u change the role in AD FSMO roles ? 11. What is dynamic DNS and how dows it register with DHCP ? 12. What are the new features of windows 2000 ? 13. Can u rename a domain in win 2k environment ? 14. What is the backup policy that is taken in your company and what is the s/w that is used for taking back up ? 15. How do you update Antivirus on all machines (is it Auto update or manual update) 16. What is the system state data in Win 2k / 17. How do you repair a Blue Screen error ? 18. How is OS hardening done in Servers ? 19. How is auditing is carried out a workstations? 20. Hopw RAs setup in NT and hopw is the permission given for a NT user ? 21. what are the feautures of AD ? 22. by default what is the trust relation ship in Win2k ?] 23. What is native mode in win2k and can we have prewin2k environment(Win nt,win95,98,Me etc)in native mode ? Ans No, only it possible in mIxed mode.it support Pre windows 2000. 24. What is Global catalog server ? 25. Where do you Promote a BDC and PDC ? Ans : Server Manager 26. By default when Win 2k is installed what is the role it assumes and how do you promote it to dC ? 27. what is LDAP protocol / 28. What are EFS , DFS and Kerberos in Win 2k / 29. What is forest , Tree, Organization Unit and site in Win 2k3 ? 30. Can you establish Trust relation ship b/w win 2k and Win Nt machine in native mode environment ? 31. What are the files systems supported Win 2k and 2k3 ? 32. What is tool used to manage disk management tasks ? 33. What is the different between a Basic disc and Dynamic disc ? Can you revert dynamic disk to basic disk ? 34. What are the different levels of RAID that can be setup ? 35. What are the different roles played by a DNS server ? 36. What is a ZONE in DNS ? 37. What is the tool used to move an object with in a domain ? . 38. What is delegation in Ad and what are the benefits ? 39. What is thea System policy in Win NT ? 40. What is folder redirection and how is it accomplished ? 41. Where do you create a group policy in Win 2k nd 2k3 ? 42. How do you setup Disk quotas in Win 2k and 2k3? 43. What is subnet mask Default gateway and router ? 44. How do you configuring auditing in Win 2k and what tools do you use to view the results / 45. What are the 5 different type of backup strategy followed ? 46. What is ERD and how it is created in WIN NT / 2000 / 2003 ? 47. What is the data that is backed up when you backup system state data in win 2k ? 48. How is VPN setup in Windows 2000/2003 ? 49. What is a WINS Server and what is the role in NT/2000/20003 environment ? 50. What is IP Sec in Win 2k /2003 ? 51. What is the tool used manage IIS / 52. How do you secure IIS Website ? 53. How do you setup Multiple websites using a single IP address ? 54. What are Certificate Services in Win 2k nd 2k3? 55. How do you setup RIS and what are the requrirements on client ends ? 56. How many Licenses are provided by default when you setup Terminal services and what are the 2 different modes that a Terminal services can be setup ? 57. What is the tool used to measure the performance in win2k server ? 58. How do you authorize DHCP Server in AD ? 59. What are the prerequisites for installing AD ? 60. What are the file systems supported by Win NT ? 61. How do you remotely start and stop the services in IIS and Controlpanel on a remote machine ? 62. How do you debug the blue screen problem ? 63. Have You Subscribed Technet , MSDN ? 64. How do you troubleshoot a NTLDR,NTDETECT missing issues in Win NT /2000 ? 65. How do you change Boot time in NT/2000/2003 ? 66. what is the regular maintainance on Win Nt server (Event log,chkdisk,rdisk ) 67. What is the difference b/w Exchnage 5.5 and Exchange 2000 /2003? 68. Which are the services in Exchange Server 2003 ? 69. What are the storage groups in Exchange 2k and how many mailbox per storage group can be setup per storage grouping Exch 2k and 2k3 ? 70. What are connectors in Exchange Server and what are the different type of connectors in exchange 2000/2003 ? 71. What is a Site in terms on Exch Server and Win 2000 ? 72. What is circular logging in Exch 2000 ? 73. What are the circular logging in Excjh 2000 ? 74. What are the ifferent authentication methods used in IIS ?Where do you Configure this is IIS ? 75. What are the 4 steps involved in getting IP address from DHCP server ? 76. What is push and pull partners in terms if WINs Server ? 77. How do you back up WINS DB and what format is it stored ? 78. What is the difference WIN NT DHCP and WIN 2k DHcp ? 79. In MS Exch is there any option to forward all my incoming e-mails to another e-mail address ? 80. In what format are the mails and public folder data stored on Exch server ? 81. In what format are the mails stored on client side ? 82. What is Clustering and what are the different methodology in which clustering can be implemented ? 83. What are the 4 domains models defined by MS relating to NT 4.0 ? 84. What is the diff and advantage and disadvantages between a workgroup and domain model ? 85. What is a Trust Real;tion ship & How is it established in NT 4.0 ? 86. What is LAN and WAN ? 87. What is the diff b/w Local group and global group ? 88. What is distributed file system and different types of dfs model and how is it implemented in 2000/2003 ? 89. What is a Hosts and LM Hosts file and how is it useful ? 90. What is B Node,P-node,H-node and M-node in terms of WINS ? 91. What is AT command and how do you schedule automated backup in NT 4.0 92. What is ISINTEGand ESEUTIL in Exch Server ? 93. What is the use of ExchService account in Exchange Server ? 94. what are the Pre requisites for Exchange server installation ? 95. Can my Exchange server check POP3 mail ?

2604

How to find No of classes,Packages,No of Methods per Classes and Depth of Inheritance for selecting source code in windows form application using c# .net? (Source code is input Program. It may be Java or .net) Please help me..) Thanks..)

2217

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1398

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1378

Only C++ and SQL ques were asked they were quit easy. Reading Flowchart must be prepared. Based on Flowchart 5 ques are asked. C++ inheritance concept should thorough. Overriding and overloading

1361

Write a program to implement OOPS concepts such as inheritance, polymorphism, friend function, operator overloading?

4227

Java Questions 1. Can a main() method of class be invoked in another class? 2. What is the difference between java command line arguments and C command line arguments? 3. What is the difference between == & .equals 4. What is the difference between abstract class & Interface. 5. What is singleton class & it's implementation. 6. Use of static,final variable 7. Examples of final class 8. Difference between Event propagation & Event delegation 9. Difference between Unicast & Multicast model 10. What is a java bean 11. What is synchronized keyword used for. 12. What are the restrictions of an applet & how to make the applet access the local machines resources. 13. What is reflect package used for & the methods of it. 14. What is serialization used for 15. Can methods be overloaded based on the return types ? 16. Why do we need a finalze() method when Garbage Collection is there ? 17. Difference between AWT and Swing compenents ? 18. Is there any heavy weight component in Swings ? 19. Can the Swing application if you upload in net, be compatible with your browser? 20. What should you do get your browser compatible with swing components? 21. What are the methods in Applet ? 22. When is init(),start() called ? 23. When you navigate from one applet to another what are the methods called? 24. What is the difference between Trusted and Untrusted Applet ? 25. What is Exception ? 26. What are the ways you can handle exception ? 27. When is try,catch block used ? 28. What is finally method in Exceptions ? 29. What are the types of access modifiers ? 30. What is protected and friendly ? 31. What are the other modifiers ? 32. Is synchronised modifier ? 33. What is meant by polymorphism ? 34. What is inheritance ? 35. What is method Overloading ? What is this in OOPS ? 36. What is method Overriding ? What is it in OOPS ? 37. Does java support multi dimensional arrays ? 38. Is multiple inheritance used in Java ? 39. How do you send a message to the browser in JavaScript ? 40. Does javascript support multidimensional arrays ? 41. Is there any tool in java that can create reports ? 42. What is meant by Java ? 43. What is meant by a class ? 44. What is meant by a method ? 45. What are the OOPS concepts in Java ? 46. What is meant by encapsulation ? Explain with an example 47. What is meant by inheritance ? Explain with an example 48. What is meant by polymorphism ? Explain with an example 49. Is multiple inheritance allowed in Java ? Why ? 50. What is meant by Java interpreter ? 51. What is meant by JVM ? 52. What is a compilation unit ? 53. What is meant by identifiers ? 54. What are the different types of modifiers ? 55. What are the access modifiers in Java ? 56. What are the primitive data types in Java ? 57. What is meant by a wrapper class ? 58. What is meant by static variable and static method ? 59. What is meant by Garbage collection ? 60. What is meant by abstract class 61. What is meant by final class, methods and variables ? 62. What is meant by interface ? 63. What is meant by a resource leak ? 64. What is the difference between interface and abstract class ? 65. What is the difference between public private, protected and static 66. What is meant by method overloading ? 67. What is meant by method overriding ? 68. What is singleton class ? 69. What is the difference between an array and a vector ? 70. What is meant by constructor ? 71. What is meant by casting ? 72. What is the difference between final, finally and finalize ? 73. What is meant by packages ? 74. What are all the packages ? 75. Name 2 calsses you have used ? 76. Name 2 classes that can store arbitrary number of objects ? 77. What is the difference between java.applet.* and java.applet.Applet ? 78. What is a default package ? 79. What is meant by a super class and how can you call a super class ? 80. What is anonymous class ? 81. Name interfaces without a method ? 82. What is the use of an interface ? 83. What is a serializable interface ? 84. How to prevent field from serialization ? 85. What is meant by exception ? 86. How can you avoid the runtime exception ? 87. What is the difference between throw and throws ? 88. What is the use of finally ? 89. Can multiple catch statements be used in exceptions ? 90. Is it possible to write a try within a try statement ? 91. What is the method to find if the object exited or not ? 92. What is meant by a Thread ? 93. What is meant by multi-threading ? 94. What is the 2 way of creating a thread ? Which is the best way and why? 95. What is the method to find if a thread is active or not ? 96. What are the thread-to-thread communcation ? 97. What is the difference between sleep and suspend ? 98. Can thread become a member of another thread ? 99. What is meant by deadlock ? 100. How can you avoid a deadlock ? 101. What are the three typs of priority ? 102. What is the use of synchronizations ? 103. Garbage collector thread belongs to which priority ? 104. What is meant by time-slicing ? 105. What is the use of 'this' ? 106. How can you find the length and capacity of a string buffer ? 107. How to compare two strings ? 108. What are the interfaces defined by Java.lang ? 109. What is the purpose of run-time class and system class 110. What is meant by Stream and Types ? 111. What is the method used to clear the buffer ? 112. What is meant by Stream Tokenizer ? 113. What is serialization and de-serialisation ? 114. What is meant by Applet ? 115. How to find the host from which the Applet has originated ? 116. What is the life cycle of an Applet ? 117. How do you load an HTML page from an Applet ? 118. What is meant by Applet Stub Interface ? 119. What is meant by getCodeBase and getDocumentBase method ? 120. How can you call an applet from a HTML file 121. What is meant by Applet Flickering ? 122. What is the use of parameter tag ? 123. What is audio clip Interface and what are all the methods in it ? 124. What is the difference between getAppletInfo and getParameterInfo ? 125. How to communicate between applet and an applet ? 126. What is meant by event handling ? 127. What are all the listeners in java and explain ? 128. What is meant by an adapter class ? 129. What are the types of mouse event listeners ? 130. What are the types of methods in mouse listeners ? 131. What is the difference between panel and frame ? 132. What is the default layout of the panel and frame ? 133. What is meant by controls and types ? 134. What is the difference between a scroll bar and a scroll panel. 135. What is the difference between list and choice ? 136. How to place a component on Windows ? 137. What are the different types of Layouts ? 138. What is meant by CardLayout ? 139. What is the difference between GridLayout and GridBagLayout 140. What is the difference between menuitem and checkboxmenu item. 141. What is meant by vector class, dictionary class , hash table class,and property class ? 142. Which class has no duplicate elements ? 143. What is resource bundle ? 144. What is an enumeration class ? 145. What is meant by Swing ? 146. What is the difference between AWT and Swing ? 147. What is the difference between an applet and a Japplet 148. What are all the components used in Swing ? 149. What is meant by tab pans ? 150. What is the use of JTree ? 151. How can you add and remove nodes in Jtree. 152. What is the method to expand and collapse nodes in a Jtree 153. What is the use of JTable ? 154. What is meant by JFC ? 155. What is the class in Swing to change the appearance of the Frame in Runtime. 156. How to reduce flicking in animation ? 157. What is meant by Javabeans ? 158. What is JAR file ? 159. What is meant by manifest files ? 160. What is Introspection ? 161. What are the steps involved to create a bean ? 162. Say any two properties in Beans ? 163. What is persistence ? 164. What is the use of beaninfo ? 165. What are the interfaces you used in Beans ? 166. What are the classes you used in Beans ? 167. What is the diffrence between an Abstract class and Interface 168. What is user defined exception ? 169. What do you know about the garbate collector ? 170. What is the difference between C++ & Java ? 171. How do you communicate in between Applets & Servlets ? 172. What is the use of Servlets ? 173. In an HTML form I have a Button which makes us to open another page in 15 seconds. How will do you that ? 174. What is the difference between Process and Threads ? 175. How will you initialize an Applet ? 176. What is the order of method invocation in an Applet ? 177. When is update method called ? 178. How will you communicate between two Applets ? 179. Have you ever used HashTable and Dictionary ? 180. What are statements in JAVA ? 181. What is JAR file ? 182. What is JNI ? 183. What is the base class for all swing components ? 184. What is JFC ? 185. What is Difference between AWT and Swing ? 186. Considering notepad/IE or any other thing as process, What will Happen if you start notepad or IE 3 times? Where 3 processes are started or 3 threads are started ? 187. How does thread synchronization occurs inside a monitor ? 188. How will you call an Applet using a Java Script function ? 189. Is there any tag in HTML to upload and download files ? 190. Why do you Canvas ? 191. How can you push data from an Applet to Servlet ? 192. What are the benefits of Swing over AWT ? 193. Where the CardLayout is used ? 194. What is the Layout for ToolBar ? 195. What is the difference between Grid and GridbagLayout ? 196. How will you add panel to a Frame ? 197. What is the corresponding Layout for Card in Swing ? 198. What is light weight component ? 199. What is bean ? Where it can be used ? 200. What is difference in between Java Class and Bean ? 201. What is the mapping mechanism used by Java to identify IDL language ? 202. Diff between Application and Applet ? 203. What is serializable Interface ? 204. What is the difference between CGI and Servlet ? 205. What is the use of Interface ? 206. Why Java is not fully objective oriented ? 207. Why does not support multiple Inheritance ? 208. What it the root class for all Java classes ? 209. What is polymorphism ? 210. Suppose If we have variable ' I ' in run method, If I can create one or More thread each thread will occupy a separate copy or same variable will be shared ? 211. What is Constructor and Virtual function? Can we call Virtual 212. Funciton in a constructor ? 213. Why we use OOPS concepts? What is its advantage ? 214. What is the difference in between C++ and Java ? can u explain in detail? 215. What is the exact difference in between Unicast and Multicast object ? Where we will use ? 216. How do you sing an Applet ? 217. In a Container there are 5 components. I want to display the all the components names, how will you do that one ? 218. Why there are some null interface in java ? What does it mean ? 219. Give me some null interfaces in JAVA ? 220. Tell me the latest versions in JAVA related areas ? 221. What is meant by class loader ? How many types are there? When will we use them ? 222. What is meant by flickering ? 223. What is meant by cookies ? Explain ? 224. Problem faced in your earlier project 225. How OOPS concept is achieved in Java 226. Features for using Java 227. How does Java 2.0 differ from Java 1.0 228. Public static void main - Explain 229. What are command line arguments 230. Explain about the three-tier model 231. Difference between String & StringBuffer 232. Wrapper class. Is String a Wrapper Class 233. What are the restriction for static method Purpose of the file class 234. Default modifier in Interface 235. Difference between Interface & Abstract class 236. Can abstract be declared as Final 237. Can we declare variables inside a method as Final Variables 238. What is the package concept and use of package 239. How can a dead thread be started 240. Difference between Applet & Application 241. Life cycle of the Applet 242. Can Applet have constructors 243. Differeence between canvas class & graphics class 244. Explain about Superclass & subclass 245. What is AppletStub 246. Explain Stream Tokenizer 247. What is the difference between two types of threads 248. Checked & Unchecked exception 249. Use of throws exception 250. What is finally in exception handling Vector class 251. What will happen to the Exception object after exception handling 252. Two types of multi-tasking 253. Two ways to create the thread 254. Synchronization 255. I/O Filter 256. Can applet in different page communicate with each other 257. Why Java is not 100 % pure OOPS ? ( EcomServer ) 258. When we will use an Interface and Abstract class ? 259. How to communicate 2 threads each other ? JAVA QUESTIONS What is the difference between an Abstract class and Interface? What is user defined exception? What do you know about the garbage collector? What is the difference between java and c++? In an HTML form I have a button which makes us to open another page in 15 seconds. How will you do that? What is the difference between process and threads? What is update method called? Have you ever used HashTable and Directory? What are statements in Java? What is a JAR file? What is JNI? What is the base class for all swing components? What is JFC? What is the difference between AWT and Swing? Considering notepad/IE or any other thing as process, What will happen if you start notepad or IE 3 times ? Where three processes are started or three threads are started? How does thread synchronization occur in a monitor? Is there any tag in HTML to upload and download files? Why do you canvas? How can you know about drivers and database information ? What is serialization? Can you load the server object dynamically? If so what are the 3 major steps involved in it? What is the layout for toolbar? What is the difference between Grid and Gridbaglayout? How will you add panel to a frame? Where are the card layouts used? What is the corresponding layout for card in swing? What is light weight component? Can you run the product development on all operating systems? What are the benefits if Swing over AWT? How can two threads be made to communicate with each other? What are the files generated after using IDL to java compiler? What is the protocol used by server and client? What is the functionability stubs and skeletons? What is the mapping mechanism used by java to identify IDL language? What is serializable interface? What is the use of interface? Why is java not fully objective oriented? Why does java not support multiple inheritance? What is the root class for all java classes? What is polymorphism? Suppose if we have a variable 'I' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared? What are virtual functions? Write down how will you create a Binary tree? What are the traverses in binary tree? Write a program for recursive traverse? What are session variable in servlets? What is client server computing? What is constructor and virtual function? Can we call a virtual function in a constructor? Why do we use oops concepts? What is its advantage? What is middleware? What is the functionality of web server? Why is java not 100% pure oops? When will you use an interface and abstract class? What is the exact difference in between Unicast and Multicast object? Where will it be used? What is the main functionality of the remote reference layer? How do you download stubs from Remote place? I want to store more than 10 objects in a remote server? Which methodology will follow? What is the main functionality of Prepared Statement? What is meant by Static query and Dynamic query? What are Normalization Rules? Define Normalization? What is meant by Servelet? What are the parameters of service method? What is meant by Session? Explain something about HTTP Session Class? In a container there are 5 components. I want to display all the component names, how will you do that? Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA? Tell some latest versions in JAVA related areas? What is meant by class loader? How many types are there? When will we use them? What is meant by flickering? What is meant by distributed application? Why are we using that in our application? What is the functionality of the stub? Explain about version control? Explain 2-tier and 3-tier architecture? What is the role of Web Server? How can we do validation of the fields in a project? What is meant by cookies? Explain the main features? Why java is considered as platform independent? What are the advantages of java over C++? How java can be connected to a database? What is thread? What is difference between Process and Thread? Does java support multiple inheritance? if not, what is the solution? What are abstract classes? What is an interface? What is the difference abstract class and interface? What are adapter classes? what is meant wrapper classes? What are JVM.JRE, J2EE, JNI? What are swing components? What do you mean by light weight and heavy weight components? What is meant by function overloading and function overriding? Does java support function overloading, pointers, structures, unions or linked lists? What do you mean by multithreading? What are byte codes? What are streams? What is user defined exception? In an HTML page form I have one button which makes us to open a new page in 15 seconds. How will you do that? Advanced JAVA QUESTIONS What is RMI? Explain about RMI Architecture? What are Servelets? What is the use of servlets? Explain RMI Architecture? How will you pass values from HTML page to the servlet? How do you load an image in a Servelet? What is purpose of applet programming? How will you communicate between two applets? What IS the difference between Servelets and Applets? How do you communicate in between Applets and Servlets? What is the difference between applet and application? What is the difference between CGI and Servlet? In the servlets, we are having a web page that is invoking servlets ,username and password? which is checks in database? Suppose the second page also if we want to verify the same information whether it will connect to the database or it will be used previous information? What are the difference between RMI and Servelets? How will you call an Applet using Java Script Function? How can you push data from an Applet to a Servlet? What are 4 drivers available in JDBC? At what situation are four of the drivers used? If you are truncated using JDBC , how can you that how much data is truncated? How will you perform truncation using JDBC? What is the latest version of JDBC? What are the new features added in that? What is the difference between RMI registry and OS Agent? To a server method, the client wants to send a value 20, with this value exceeds to 20 a message should be sent to the client . What will you do for achieving this? How do you invoke a Servelet? What is the difference between doPost method and doGet method? What is difference between the HTTP Servelet and Generic Servelet? Explain about their methods and parameters? Can we use threads in Servelets? Write a program on RMI and JDBC using Stored Procedure? How do you swing an applet? How will you pass parameters in RMI? Why do you serialize? In RMI ,server object is first loaded into memory and then the stub reference is sent to the client. true or false? Suppose server object not loaded into the memory and the client request for it. What will happen? What is the web server used for running the servelets? What is Servlet API used for connecting database? What is bean? Where can it be used? What is the difference between java class and bean? Can we sent objects using Sockets? What is the RMI and Socket? What is CORBA? Can you modify an object in corba? What is RMI and what are the services in RMI? What are the difference between RMI and CORBA? How will you initialize an Applet? What is the order of method invocation in an Applet? What is ODBC and JDBC? How do you connect the Database? What do you mean by Socket Programming? What is difference between Generic Servlet and HTTP Servelet? What you mean by COM and DCOM? what is e-commerce?

5602

what are differences between composition and inheritance in c

1046

Abstract class and interface, multiple inheritance, live example

880