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What is meant by vector class, dictionary class, hash table class, and property class?
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what is the difference between java and j2ee... is that can i work j2ee on net beans IDE 6.0
class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?
Is ++ operator is thread safe in java?
Can you override a final method?
Why can't we use static class instead of singleton?
What is the java virtual machine?
Can a method be overloaded based on different return type but same argument type?
When should I use abstract classes and when should I use interfaces?
Why singleton is not thread safe?
what are literals in java?
What is the difference between a vector & an array list?
Explain the importance of finally block in java?
Core Java 
