Is null false in java?
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I need to know about complete topic in java's collections i with an examples
What is the difference between jdk and jre?
Is a copy constructor?
What is the importance of hashcode() and equals() methods?
Why is a singleton bad?
What do you know about the garbate collector?
What is lazy initialization in java?
How to sort an unsorted array in java?
What is the difference between hashset and treeset in java?
What is variable and its types?
Differences between jdk 1.4 and 1.5
6 Answers SoftSol, TCS, Wipro,
Is class is a data type?