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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Orientation o = Orientation.WEST;
  13. 		System.out.println(o.turnLeft().turnRight().turnRight().turnRight()); // EAST
  14. 		System.out.println(o.turnRight().turnRight()); // EAST
  15. 		System.out.println(o.turnLeft()); // SOUTH
  16. 	}
  17.  
  18.     static enum Orientation {
  19.         NORTH, EAST, SOUTH, WEST;
  20.  
  21.         public Orientation turnRight() {
  22.             Orientation[] values = values();
  23.             int ordinal = this.ordinal();
  24.             if (ordinal == values.length - 1) {
  25.                 return NORTH;
  26.             }
  27.             return values[ordinal+ 1];
  28.         }
  29.  
  30.         public Orientation turnLeft() {
  31.             Orientation[] values = values();
  32.             int ordinal = this.ordinal();
  33.             if (ordinal == 1) {
  34.                 return WEST;
  35.             }
  36.             return values[ordinal - 1];
  37.         }
  38.     }
  39. }
Success #stdin #stdout #stderr 0.05s 711168KB
comments (?)
stdin 
Standard input is empty
stdout 
EAST
EAST
SOUTH
stderr 
Java HotSpot(TM) Client VM warning: No monotonic clock was available - timed services may be adversely affected if the time-of-day clock changes
https://ideone.com/pyxIpv
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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