What is the difference between the size and capacity of a vector?
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Why do we use return statement?
How does map works in java?
Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?
what is marker interface ? what is the necessity of it?
What is the difference between stringbuffer and stringbuilder?
What is try-with-resources in java?
What are the Main functions of Java?
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If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?
What is the purpose of garbage collection in java? When is it used?
What is purpose of find feature?
What do you mean by global variable?
What is numeric data type?