晚上手拿敌敌畏图片:请问这段java代码是什么?

来源:百度文库 编辑:中科新闻网 时间:2024/04/29 04:06:17
以下是一段java代码,请问

if (JOptionPane.showConfirmDialog(frame // may want to pass your application frame here
,p
,"Login"
,JOptionPane.OK_CANCEL_OPTION
,JOptionPane.PLAIN_MESSAGE
) == JOptionPane.OK_OPTION) {
System.out.println("User Name:"+tfUserName.getText());
System.out.println("Password:" + new String(tfPassword.getPassword()));
}
这是什么意思?麻烦细讲