Is a boolean 1 bit?
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When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?
What is the purpose of java?
Can main() method in java can return any data?
How many bits is a char?
What is the purpose of file class?
Explain about version control?
When can an object reference be cast to an interface reference in java programming?
What happens when you invoke a thread’s interrupt method while it is sleeping or waiting?
What is the difference between the font and fontmetrics classes in java programming?
What is the purpose of void class?
Is java map thread safe?
What is the benefit of using enum to declare a constant?