import java.awt.* import java.awt.event.* public class Calculator implements ActionListener { String s= " ",s1 double d1,d2 JFrame jf = new JFrame( "计算器 ") JTextField tf = new JTextField() public void init()//实现计算器界面 { Container c=jf.getContentPane() tf.setHorizontalAlignment(JTextField.RIGHT) //文本框 c.add(tf, "North ") JPanel pn3 = new JPanel(new BorderLayout(

ActionListener.txt

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．