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 a function return a function?

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Why string is popular hashmap key in java?

1 Answers  

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How do I remove a character from a string in java?

0 Answers  

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What is += mean in java?

0 Answers  

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what are the difference between Java and .Net?

5 Answers  

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suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible

6 Answers   HP, Wipro,

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What are disadvantages of java?

0 Answers  

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What are the two types of java programming?

0 Answers  

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Explain about the main() method in java?

0 Answers  

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what is singlton class?where it is use in real time senario.

1 Answers   Wipro,

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What does g mean in regex?

0 Answers  

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