Define array. Tell me about 2-D array.
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Explain about main() method in java ?
How java enabled high performance?
write SQL command for table employee where print first name or last name start like "A" and who is working in domain(angular js,java,dotnet)
What are three ways in which a thread can enter the waiting state in java programming?
Which class contains a method: cloneable or object?
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;
Why are strings immutable in Java?
what is purpose of writting public static void main(Strind arg[]) in java..?
Is java a security risk?
Does list maintain insertion order java?
Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.
Which class is the superclass for all the classes?