What is thread life cycle in java?
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Do you need to import math in java?
what is meant by encapsulation?
write a program that list all permutations of ABCDEF in which A appears before B?
what is the difference between future and callable interface in java?
What is the difference between call by reference and call by pointer?
What is boolean flag in java?
I want to persist data of objects for later use. What’s the best approach to do so?
10. class Nav{ 11. public enum Direction { NORTH, SOUTH, EAST, WEST } 12. } 13. public class Sprite{ 14. // insert code here 15. } Which code, inserted at line 14, allows the Sprite class to compile? a)Direction d = NORTH; b)Nav.Direction d = NORTH; c)Direction d = Direction.NORTH; d)Nav.Direction d = Nav.Direction.NORTH;
What is the difference between I ++ and ++ I in java?
class A { class B { psvm(String args[]) { } } } if the prg saved in A.java whats the o/p?
Can we cast any other type to boolean type with type casting?
Why packages are used?