what is polymorhism what is inheritance? what is Abstract n Interface? what if two interfaces have same method and a concrete class is implementing both the interfaces. Will there be a compilation error? What are mutable and immutable classes? How can u make a class mutable? when will u use dem ...explain with example? what is overriding and overloading? what is garbage collection? what is Thread? how do dey communicate? what are the different ways of implementing ? have u used any messaging technologies? what is synchronization? what are some additions in java 1.5? what are generics? whst is advanced for loop? what is finally block? can u have a try in finally? yes!! can u have a finally in finally? how do you write junits? when is a object eligible for garbage collection?explain? a = null and b has ref to a will b be eligible to be garbage collected? sql questions like diff joins? how do dey work? exception handling? what is marker interface? what is the need??

0 Answers   JPMorgan Chase,

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Can we sort hashset in java?

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How can i add a button in applet in java ???

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Is string is a class in java?

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How to sort double array in java?

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who can we create the object of a class? in how many ways we can create it (max 5)

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What is bool mean?

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What is a pointer and does java support pointers?

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Why is logger singleton?

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why string constant pool in java

2 Answers   TCS,

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Can we execute a program without main() method?

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