notesymbol.java

来自「java的23中设计模式的代码实现」· Java 代码 · 共 11 行

/*
 *  A concrete prototype to draw a note
 */
public class NoteSymbol extends Graphic {
    public NoteSymbol() {
    }

    public void DoSomething() {
        System.out.println("I am used to draw a note !");
    }
}