jtextfielddemo.java

java课程的资料以及实验的代码

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

public class JTextFieldDemo extends JFrame{
  JTextField jtf;
  public JTextFieldDemo () {
    Container contentPane = getContentPane();
    contentPane.setLayout(new FlowLayout());
    jtf = new JTextField(15);
    contentPane.add(jtf);
 	}
 
  public static void main(String[] args){
  	JTextFieldDemo s=new JTextFieldDemo ();
  	s.setSize(300,100);
  	s.setVisible(true);
  }
}