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 template design pattern?

0 Answers  

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Which class cannot be a subclass in java?

0 Answers  

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what is finalmethod & final variable with example?

6 Answers   HP,

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What is a flag value?

0 Answers  

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What is the difference between a scrollbar and a scrollpane?

0 Answers  

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What is the use of accept () method in java?

0 Answers  

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What is meant by throwing an Exception?

4 Answers   Accenture,

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How do you implement singleton class?

0 Answers  

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What is diamond operator in java?

0 Answers  

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When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?

0 Answers  

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Can a constructor be private and how are this() and super() method used with constructor?

0 Answers   Flextronics, Hexaware,

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