numberbutton.java

Java计算器源码 简单的JAVA计算器

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