a.java

该压缩文件中共包含16个非常实用的java学习实例

import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionListener;
import java.util.EventListener;

 class A extends Frame implements ActionListener 

{TextField tf;
	A()
	{
		this.setSize(560,600);
		 tf=new TextField(13);
		 tf.setFont(new Font("宋体",Font.BOLD,25));
		Button b=new Button("确定");
		this.add(tf);
		this.add(b,"South");
		this.setVisible(true);
		b.addActionListener(this);
		
	}

	/**
	 * Method actionPerformed
	 *
	 *
	 * @param e
	 *
	 */
	public void actionPerformed(ActionEvent e) {
        String s=tf.getText().trim();
         new Test(s);
          tf.setText("");
	}
}