How a variable is stored in memory?
When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What is the null?
What is the blank final variable?
What things should be kept in mind while creating your own exceptions in java?
Why do we use regex?
How do I convert a numeric ip address like 192.18.97.39 into a hostname like java.sun.com?
What is data structure in java?
I have a Arraylist object, it has duplecate values also. Now question is i want delete duplecate data in that objet with out using Set?
How will you measure that int takes up only 32 bits in memory?
difference between java ,c#&java,c++
When do you call copy constructor?
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What is a native method?