An enumeration of apple varieties.

  
enum Apple {  
  A, B, C, D, E 
} 
 
public class EnumDemo { 
  public static void main(String args[])  
  { 
    Apple ap; 
 
    ap = Apple.C; 
 
    // Output an enum value. 
    System.out.println("Value of ap: " + ap); 
    System.out.println(); 
 
    ap = Apple.B; 
 
    // Compare two enum values. 
    if(ap == Apple.B)  
      System.out.println("ap conatins GoldenDel.\n"); 
 
    // Use an enum to control a switch statement. 
    switch(ap) { 
      case A: 
        System.out.println("A is red."); 
        break; 
      case B: 
        System.out.println("B is yellow."); 
        break; 
      case C:  
        System.out.println("C is red."); 
        break; 
      case D: 
        System.out.println("D is red."); 
        break; 
      case E: 
        System.out.println("E is red."); 
        break; 
    } 
  } 
}

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An enumeration of apple varieties. : Enum « Language Basics « Java

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