calculatorbutton1.java

这是我上学期收集的一些我们班高手的JAVA期末作业的源代码

/**
 *File Name: CalculatorButton1.java
 *Author   : CaoChunCheng
 *Date     : 2004-04-0-13
 *Note     : a tool class button
 */
 package com.java.calculator;
 
 import java.awt.*;
 
 public class CalculatorButton1 extends Panel{
   private Button button_MC;
   private Button button_MR;
   private Button button_MS;
   private Button button_addsub;
 	
   public CalculatorButton1()
   {
    GridLayout g=new GridLayout(4,1);
    g.setVgap(10);
    setLayout(g);
    button_MC = new Button("null");
    add(button_MC);
    button_MR = new Button("null");
    add(button_MR);
    button_MS = new Button("null");
    add(button_MS);
    button_addsub  = new Button("+/-");
    add(button_addsub);
    button_MC.hide();
    button_MR.hide();
    button_MS.hide();
    //button_addsub.hide();
    
    button_MC.setForeground(new java.awt.Color(255,0,0)); 
    button_MR.setForeground(new java.awt.Color(255,0,0)); 
    button_MS.setForeground(new java.awt.Color(255,0,0)); 
    button_addsub.setForeground(new java.awt.Color(255,0,0)); 
    
    button_addsub.setBackground(new java.awt.Color(210,181,221));
   }
 	
   public Button getButton_MC(){
     return this.button_MC;
   }
   public Button getButton_MR(){
   	 return this.button_MR;
   }
   public Button getButton_MS(){
     return this.button_MS;
   }
   public Button button_addsub(){
   	 return this.button_addsub;
   }
}