Can we assign null to double in java?
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what is difference between equals and ==?
What is the technique adopted to create an immutable class?
What is a private class in java?
If set accepts only one argument then how can it compare two objects to avoid duplicates
Write a code to show a static variable?
Is string a class?
What is the purpose of the finally clause?
What is variable in java?
heavy components means what?
Features of JAVA ? In which version of java synchronizedXXX() methods are included in Collections class.
What is run-time class and system class? what is their purpose?
What languages are pass by reference?