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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What is the difference between == and === javascript?

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Can a for statement loop indefinitely?

3 Answers  

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What is hashmap and map?

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What is a flag variable?

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How do you convert boolean to boolean?

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Can we clone singleton class in java?

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how to convert mm/dd/yy to dd/mm/yy using collections in java.

4 Answers   Bosch,

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what is the main difference between string and stringbuffer? can you explain it with program?

2 Answers  

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How to call one constructor from the other constructor ?

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How can you generate random numbers in java?

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Explain about static imports in java?

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