Why map is used in java?
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Difference between static synchronization vs. Instance synchronization?
What's the difference between int and integer in java?
What is difference between overloading and overriding in java?
What modifiers are used for interface declaration?
Is alive in java?
How do you sing an Applet ?
What is java util concurrentmodificationexception?
How can we create a thread in java?
what is mean by ooad? where we are using? can you tell me any real time example?
Is string pool garbage collected?
Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?
What is a Null object?