adder.java

Java课程中所有的可运行程序 全部都是java课程中所涉及到的源码

import java.applet.*;
import java.awt.*;
import java.awt.event.*;

 public class adder extends Applet{

public void init() {

	l1=new Label("No1:");
	add(l1);

	txt1=new TextField(12);
	add(txt1);

	l2=new Label("No2:");
	add(l2);

	txt2=new TextField(12);
	add(txt2);


	b1=new Button("ok");
b1.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                processAction(e);}
                  }  );

add(b1);

	b2=new Button("cacel");
b2.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                processAction(e);}
                  }  );
	add(b2);

    resultFrame=new myFrame("result");
    resultFrame.hide();

	}


	//{{DECLARE_CONTROLS

	Label l1,l2;
	TextField txt1,txt2;
	Button b1,b2;
	myFrame resultFrame ;

public void processAction(ActionEvent e){
Object obj=e.getSource();
if(obj==b1){
int no2=Integer.valueOf(txt2.getText()).intValue();
	int no1=Integer.valueOf(txt1.getText()).intValue();
	   int no3=no1+no2;
	   String ss=new String();

resultFrame.l5.setText(ss.valueOf(no3) );
resultFrame.show();
	    }
if(obj==b1){
txt2.setText("");
          txt1.setText("");

	      }


}

    }