frog.java

来自「thinking in java 书中源码 第四版」· Java 代码 · 共 45 行

//: frogbean/Frog.java
// A trivial JavaBean.
package frogbean;
import java.awt.*;
import java.awt.event.*;

class Spots {}

public class Frog {
  private int jumps;
  private Color color;
  private Spots spots;
  private boolean jmpr;
  public int getJumps() { return jumps; }
  public void setJumps(int newJumps) {
    jumps = newJumps;
  }
  public Color getColor() { return color; }
  public void setColor(Color newColor) {
    color = newColor;
  }
  public Spots getSpots() { return spots; }
  public void setSpots(Spots newSpots) {
    spots = newSpots;
  }
  public boolean isJumper() { return jmpr; }
  public void setJumper(boolean j) { jmpr = j; }
  public void addActionListener(ActionListener l) {
    //...
  }
  public void removeActionListener(ActionListener l) {
    // ...
  }
  public void addKeyListener(KeyListener l) {
    // ...
  }
  public void removeKeyListener(KeyListener l) {
    // ...
  }
  // An "ordinary" public method:
  public void croak() {
    System.out.println("Ribbet!");
  }
} ///:~