代码测试通过：import java.awt.*;import java.awt.event.*;class Main{ public static void main(String[] args) { Frame fr=new Frame("小程序");fr.setSize(600,300);fr.setVisible(true);fr.setLayout(ne 展开
代码测试通过：import java.awt.*;import java.awt.event.*;class Main{ public static void main(String[] args) { Frame fr=new Frame("小程序");fr.setSize(600,300);fr.setVisible(true);fr.setLayout(new GridLayout(0,3));fr.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0);} });Label label1=new Label("英语");fr.add(label1);Label label2=new Label("数学");fr.add(label2);Label label3=new Label("总分");fr.add(label3);final TextField[] text=new TextField[3];for(int i=0;i<3;i++) { text[i]=new TextField();fr.add(text[i]);} Button button=new Button("计算");button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { text[2].setText(String.valueOf(Double.valueOf(text[0].getText())+Double.valueOf(text[1].getText())));} });fr.add(button);fr.pack();}} 收起
