What is the difference between variable declaration and variable initialization?
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How list contains works in java?
Is space a character in java?
What is quick sort in java?
A abstract class extending an abstract class.Super class has both abstract and non-abstract methods.How can we implement abstract and non-abstract mehtods? Explain with snippet
What’s the difference between callable and runnable?
How do you use parseint in java?
What is array and arraylist in java?
What is finally in exception handling?
class A { public void disp(int a,int b) { System.out.println("hai"); } } class B { public void disp(int a,int b,int c) { System.out.println("hai"); } } above program is overloading or overriding?
Can a static method be final?
Is nan false?
What are the four versions of java?