Why we go for collections in java?
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Can java hashmap have duplicate keys?
What is clipping and repainting and what is the relation between them?
why applet doesn't have main? isn't possible a program with out main?
Features of JAVA ? In which version of java synchronizedXXX() methods are included in Collections class.
What is static import?
What is meant by object?
What is the use of arraylist in java?
Differentiate between vector and array list.
What are synchronized methods and synchronized statements in java programming?
Which is better 64 bit or 32 bit?
Why Over riding is Run Time Polymorphism?
What is join () in java?