This program demonstrates enumerated types

   
/*
 This program is a part of the companion code for Core Java 8th ed.
 (http://horstmann.com/corejava)

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Scanner;

/**
 * This program demonstrates enumerated types.
 * 
 * @version 1.0 2004-05-24
 * @author Cay Horstmann
 */
public class EnumTest {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.print("Enter a size: (SMALL, MEDIUM, LARGE, EXTRA_LARGE) ");
    String input = in.next().toUpperCase();
    Size size = Enum.valueOf(Size.class, input);
    System.out.println("size=" + size);
    System.out.println("abbreviation=" + size.getAbbreviation());
    if (size == Size.EXTRA_LARGE)
      System.out.println("Good job--you paid attention to the _.");
  }
}

enum Size {
  SMALL("S"), MEDIUM("M"), LARGE("L"), EXTRA_LARGE("XL");

  private Size(String abbreviation) {
    this.abbreviation = abbreviation;
  }

  public String getAbbreviation() {
    return abbreviation;
  }

  private String abbreviation;
}

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This program demonstrates enumerated types : Enum « Language Basics « Java

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