import java.awt.*;
import java.awt.event.*;
public class B_H_J extends Frame implements ActionListener
{
    private TextField B_char,B_text;//一个文本行
    private Button button_char;//一个按钮
   
    public B_H_J()
    {
        super("迷途青年资料！");
        this.setBounds(300,300,300,200);
        this.setBackground(java.awt.Color.red);
        this.setLayout(new java.awt.FlowLayout(FlowLayout.LEFT));
        
        this.add(new Label("请输入姓名："));
        B_char=new TextField(" ",10);
        this.add(B_char);
        this.add(new Label("显示被调查者信息："));
        B_text=new TextField(" ",100);
        this.add(B_text);
   
        button_char=new Button("确定");
        this.add(button_char);
        button_char.addActionListener(this);
        
        this.addWindowListener(new WinClose());
        this.setVisible(true);
    }
    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource()==button_char)
        {
        
            String str=B_char.getText(),r="一员虎将";//这段代码好像没有执行，觉得应该可以！但是....
            if(B_char.getText()=="张飞")
               B_text.setText("一员虎将");
            if(str=="李广")
               B_text.setText("百步穿杨！");
        }
    }
    public static void main(String args[])
    {
        new B_H_J();
    }
}
class WinClose implements WindowListener
{
    public void windowClosing(WindowEvent e)
    {
        System.exit(0);
    }
    public void windowOpened(WindowEvent e){}
    public void windowActivated(WindowEvent e){}
    public void windowDeactivated(WindowEvent e){}
    public void windowClosed(WindowEvent e){}
    public void windowIconified(WindowEvent e){}
    public void windowDeiconified(WindowEvent e){}
}
程序可以运行，呵呵呵，但结果不对！！这是咋回事？想不明白！！请大家给指点一下！！！

呵呵呵，我试过了，不行！！

是这样，str.equals("张飞")，但是还没显示结果

呵呵呵，谢谢啊！！唉，粗心了！！！

想问你一下，这个空格是咋引起的啊

呵呵呵，谢谢！！