| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
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| They had given one progam
final HashMap hm=new HashMap();
public void show()
{
hm.put("name",value);
}
in this prg here the final hashtable value can be changed in
put method,its the prg run? | DNS | 2 |
| Difference between JDK, JRE, JVM | Oracle | 5 |
| Create a form of user Login in JSP, that accepts the user
name and password from user and authenticate it with user
names and passwords stored in database.
(Plz provide me answer immediately) | | 1 |
| what is difference between Exception and Error? | | 14 |
| what is use of business objects? | Tech-Mahindra | 3 |
| What are the parameters used in Connection pooling? | IBM | 1 |
| What is meant by controls and types? | | 1 |
| What is the life cycle of an Applet ? | | 1 |
| What is the Layout for ToolBar? | | 1 |
| Is 'null' a keyword? | | 3 |
| Why Java is a platform independent language? | Zensar | 4 |
| how can u handle run time exception in java? explain with
brief explanation with examples? | CTS | 2 |
| How can we handle runtime exceptions? write one sample
program? Can we write runtime exceptions beside the throws
key word? if yes write sample program? | Huawei | 1 |
| What is an abstract class? | Wipro | 5 |
| Can you have an inner class inside a method and what
variables can you access? | | 2 |
| could you run the java program without main method? | | 3 |
| What is garbage collection in Java, and how can it be used ? | Wipro | 10 |
| What are Advatages of Overloading and Overridding. | TCS | 3 |
| When does Exception occurs? | | 3 |
| What services that container provides? | | 1 |
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