JAVA程序填空题,

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/03 07:43:45
JAVA程序填空题,
xMkGJ`X9b?ACLZ;df+> !b qr ?^[]#H{~ߧo'??}/ǻclCж{t{IfYMzRuU;B(bYpR+fy`9pg=ik%J4`<(%. &+4 <FsdvD>aeVZrR"Z%@) )aK- ̤U]uH+N^&%B{*WEiB!7rk:مZ0C^(\= B[`@ZD[j43ؒYs;^ QJy)ȜE  jU #XK&"O!8QB-g9B`n !-L6=[j4-xl ~

JAVA程序填空题,
JAVA程序填空题,



JAVA程序填空题,
1 public class CircleAreaCaculate implements ActionListener
2 contentPane.setLayout(new BorderLayout()) ; //这句废话,因为默认就是BorderLayout
3 JPanel p = new JPanel(new GridLayout(2,2));
4 areaTf.setEditable(false);
5 caculateBt.addActionListener(this);
6 frame.setSize(300,150);
7 Double.parseDouble(radioTf.getText());
8 double area = Math.PI * radio * radio;
9 areaTf.setText(""+area);
10 NumberFormatException xe