What’s the difference between unit, integration and functional testing?
What are autoboxing and unboxing? When does it occur?
If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?
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why the constructor should be used in class,if there is no constructor what will happen?
What is an immutable class?
What is the use of join method?
What are the kinds of polymorphism?
What is hashing in java?
Can inner class final?
How to obtain a performance profile of java program
what is difference betwenn Access Specifier and Access Modifier ????
Is ruby built on java?
What does those terms actually mean included in the j.d.k i.6?