| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
| |
| Difference between Hash Table and Hash Map? | Persistent | 5 |
| What is means by DLL file means ?
What is the use of DLL file?
What are the contents of DLL file? | | 1 |
| primitive data types in Java ? | | 2 |
| We have two methods to create methods the threads.
1. Implementing runnable interface
2. Extending to thread class and overriding run method.
Among these two which one is better and why?
Please explain me in detail. | | 1 |
| What is the difference between add() and addElement()
method in Vector Class ? | TCS | 2 |
| In Serialization, whether you will use Static variables? | HCL | 1 |
| when i write
string s1="java";
in one program(application) and
string s2="java";
in another application
on the same jvm will both objects s2,s2 will refer to same
memory location where "java" is stored
in string pool. | | 1 |
| can any one tell me when do u go for inheritance and
polymorphism | | 1 |
| Does a class inherit the constructor of its super class?if
it does, how can you hide that constructor? if it doesnot
how can you call it from the sub class? | | 1 |
| What is Distributed Application and what is its usage? | | 1 |
| how u do unit testing? | iFlex | 2 |
| can we create instance for interface in java? | | 2 |
| what is business objects? | | 1 |
| what is java bean?where can we use it? | TCS | 2 |
| watz the difference between abstract class and interface?
Which one u ill choose as a designer? | Sonata | 1 |
| Explain Global variables in Packages? | | 1 |
| Can you have a constructor in abstract class? | | 4 |
| whays is mean by inner class? | HCL | 2 |
| Difference between the paint() and repaint() methods? | | 1 |
| How java is platform independent? | TCS | 4 |
| |
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