What is navigable map in java?


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More Core Java Interview Questions

What is the += operator called?

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What is consumer interface?

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What is a variable analysis?

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Convert a BST into a DLL and DLL to BST in place.

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Differentiate between the constructors and methods in java?

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Difference between stack and queue?

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can you program for reverse string?

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why doesn't java run on all platforms?

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What do you mean Abstraction in java?

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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??

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What will be the default values of all the elements of an array defined as an instance variable?

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Is an empty arraylist null?

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