JAVA程序的一点小问题,我是初学者

来源：百度知道 编辑：UC知道 时间：2024/07/04 09:20:58
反正来看的都是高手,我就不上 注解 了啊
就是点击"按纽" 弹出提示框,显示内容为输入框的内容.和书本上的源码有出入,我改过了.

import java.lang.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class window extends Frame
{
TextField T1;
Button B1;
public window()
{
this.setLayout(null);

T1=new TextField("在这里输入");
T1.setBounds(75,60,90,25);
this.add(T1);

B1=new Button("按钮");
B1.setBounds(75,110,90,25);
B1.addMouseListener(new MouseAdapter()
{
public void mouseClicked(MouseEvent e)
{
JoptionPane.showMessageDialog(null,T1.getText().trim());
}
});

this.add(B1);

this.setBackground(Color.yellow);
this.setBounds(200,100,250,180) ;
this.setTitle("窗口");
this.addWindowListener(new WindowAdapter()
{
public

public class window extends Frame {

TextField T1;
Button B1;

public window() {
this.setLayout(null);

T1 = new TextField("在这里输入");
T1.setBounds(75, 60, 90, 25);
this.add(T1);

B1 = new Button("按钮");
B1.setBounds(75, 110, 90, 25);
B1.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {
JOptionPane.showMessageDialog(null, T1.getText().trim());
}
});

this.add(B1);

this.setBackground(Color.yellow);
this.setBounds(200, 100, 250, 180);
this.setTitle("窗口");
this.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {
System.exit(0);
}
});