| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Explain class A{}
class B{}
class C{}
all the three classes are saved in a single file name, what
the name should i provide to the file ,in what file name
should i run the program? Ple Explain | DNS | 6 |
| What is an abstract class and abstract method? | | 4 |
| write a progam hashmap & hashtable? | IBM | 2 |
| what is diff bet iterator and enumeration? | | 2 |
| How can you reverse a string? | | 4 |
| How applets will communicate with each other? | | 1 |
| How do u provide security in java | | 1 |
| What are null interfaces in JAVA ? and give me some
examples? | | 3 |
| why the wait,notify,notifyall methods are placed in object
class?these are the thread concepts why these methods are
placed in Object class? | Satyam | 2 |
| why the equals method can be override?when we override the
equals method? | | 4 |
| What is Collection interface? | Zensar | 1 |
| Can an unreachable object become reachable again? | | 3 |
| What is the use of bin and lib in JDK? | | 3 |
| whats is inheritance? | HCL | 14 |
| Q1.A. Write note on “The class path Environment Variable”?
B. Which are different kinds of source code?
Q2.A. How to create an interface?
B. Why convert an applet to an application?
Q3.A. How to use Media tracker Class.
B. How to use string tokenizer class.
Q4 A. Explain the overview of UDP messaging.
B. Difference between SQL Exception class and SQL
Warning class.
Q5. A. How to create com object in Java?
B. Write short notes on “The properties class”
Q6. A. When object is created and destroyed?
B. Explain the JDB in depth & command line.
C. Write short notes on Web Sites.
| iGate | 2 |
| what is generics in jdk1.5? | Bally-Technologies | 1 |
| when to use abstract class and when to use interface? | IonIdea | 5 |
| what is the difference between statis block and static
variable | | 5 |
| what is difference between Exception and Error? | | 13 |
| y cant i declare method like public final static show() | | 2 |
| |
| For more Core Java Interview Questions Click Here |
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