Java Program to use values() and valueOf() methods of Enum

//  Program to use values() and valueOf() methods of Enum.
enum Colour 
{
Red, Green, Blue, Black, White, Orange, Yellow
}
class EnumDemo2 
{
public static void main(String args[ ])
{
 Colour c1;
 
 System.out.println("All Colour constants: ");
 Colour  clr[ ] = Colour.values();
 for(Colour c : clr)
  System.out.println(c + ", ");
 System.out.println();
 c1 = Colour.valueOf("Black");
 System.out.println("c1 contains " + c1);
}
}
 
Output:
All Colour constants: 
Red,
Green,
Blue,
Black,
White,
Orange,
Yellow
c1 contains Black