numberbutton.java

来自「Java用链表实现的计算器程序高性能」· Java 代码 · 共 18 行

import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
public class NumberButton extends Button 
{ 
int number; 
public NumberButton(int number) 
{ 
super(""+number); 
this.number=number; 
setForeground(Color.blue); 
} 
public int getNumber() 
{ 
return number; 
} 
}