What is collection sort in java?
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does core java and j2se both are same?
when everything can be done by static block then why do we use main method?.
Can you call a method on a null object?
What is gc()?
What is the use of isempty in java?
how many access specifiers are available in java
I have a class which is abstract which contains only the abstract methods. This is similar to an interface. Then, if i have given a choice to choose one of them. Which one i have to choose and why?
Is string thread safe in java?
Can we define a package statement after the import statement in java?
How to read and write image from a file ?
What is difference between ++ I and I ++ in java?
How we can declare a static variable?