Java加密解密小程序

package encrypt;
import javax.swing.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class Page {
public static void main(String args[]){
new FirstWindow();
}
}

class FirstWindow extends JFrame{
String s1=null,s2=null;
JPanel p1,p2;
JScrollPane jp;

JTextArea inputText,showText;
JButton jb_encrypt,jb_decrypt;
FirstWindow(){
p1=new JPanel();
p2=new JPanel();

jb_encrypt=new JButton("¼ÓÃÜ");
jb_decrypt=new JButton("½âÃÜ");
inputText=new JTextArea();
showText=new JTextArea();
inputText.setLineWrap(true);
showText.setLineWrap(true);
setLayout (new GridLayout(1,2));