state.java

来自「设计模式是软件工程的核心思想」· Java 代码 · 共 8 行

import java.awt.*;
public class State {
    public void mouseDown(int x, int y) { }
    public void mouseUp(int x, int y) { }
    public void mouseDrag(int x, int y) { }
    public void select(Drawing d, Color c) { }
}