What is difference between iterator and enumeration in java?
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What happens when heap memory is full?
What is arraylist class in java?
How use .contains in java?
Is java hashset ordered?
class A{ some variables; public void a()throws Excepion1,Exception2{....} } class B extends A{ variables... public void a()throws E2,E3{.....} } Qns: here override of methods occurs or not,ore else wil give any compilation error or run properly..plz tell me briefly whts happening with the above codes....
How do listeners work?
What are the procedures?
Can we declare a constructor as final?
Why java is platform independent? Explain.
What is default exception handling in java?
In java, what is the difference between method overloading and method overriding?
Differentiate storage classes on the basis of their scope?