精选优质文档-倾情为你奉上import java.awt.Button;import java.awt.GridLayout;import java.awt.Panel;import java.awt.TextArea;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JFrame;public class Mobilephone extends JFrame TextArea ta = new TextArea(10,21); Button jb = new Button12;Button jbAnswer = new Button(接听);Button jbRefuse = new Button(拒绝);Button jbUp = new Button(向上);Button jbDown = new Button(向下);Button jbOk = new Button(选择);