Which is a valid identifier?

0 Answers  

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did interface can implementation method ? i know its not possible but my interviewer said its possible ..but how..? any one have idea ???

7 Answers   IBM,

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What is thread pool in java with example?

0 Answers  

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Define a java class.

1 Answers  

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Diff between Comparator and Comparable?

2 Answers   Aditya Birla,

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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 use of list in java?

0 Answers  

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In what circumstances, compiler will supply a default constructor for a class?

4 Answers  

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Is 'sizeof' a keyword?

7 Answers  

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Highest level event class of the event-delegation model?

0 Answers  

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What is an arraylist in java?

0 Answers  

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What is Transient and volatile

10 Answers   iFlex,

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