xx11.java

来自「两种方法实现大小写的相互转换」· Java 代码 · 共 27 行

package exam1;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class XX11 extends Applet implements ActionListener{
	private Label l1 = new Label("请输入单词：");
	private Label l2 = new Label("大写的单词为：");
	private TextField t1 = new TextField(16);
	private TextField t2 = new TextField(16);
	private Button b1 = new Button("大写");

	public void init(){
		this.setLayout(new FlowLayout());
		l1.setForeground(Color.green);
		l2.setForeground(Color.red);
		t2.setForeground(Color.blue);
		add(l1);
		add(t1);
		add(b1);
		add(l2);
		add(t2);
		b1.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e){
		t2.setText(t1.getText().toUpperCase());
	}
}