spaceship.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 22 行

//: enumerated/SpaceShip.java
public enum SpaceShip {
  SCOUT, CARGO, TRANSPORT, CRUISER, BATTLESHIP, MOTHERSHIP;
  public String toString() {
    String id = name();
    String lower = id.substring(1).toLowerCase();
    return id.charAt(0) + lower;
  }
  public static void main(String[] args) {
    for(SpaceShip s : values()) {
      System.out.println(s);
    }
  }
} /* Output:
Scout
Cargo
Transport
Cruiser
Battleship
Mothership
*///:~