What is mean by collections in java?
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Can we declare variables inside a method as Final Variables?
how we can create packages in java?
Does the order of public and static declaration matter in main method?
Explain try and catch keywords in java?
What is the use of singleton?
Which is better arraylist or vector?
What is constant in programming?
Explain list interface?
How do I get a substring?
What is difference between wait and notify in java?
Is void a data type in java?
how can be object class inherited to all class in a program when java does not support multiple inheritance??