What is structure of java heap? What is perm gen space in heap?
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Describe different states of a thread.
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....
Can you override static method in java?
Explain listiterator and methods in listiterator?
What is the method overriding?
Why are pointers not secure?
What are singleton services?
State some advantages of java?
What modifiers may be used with a top-level class?
How do you check if an arraylist is not empty?
What exactly is methodology?
is there any function in java to make the text to blink?