我很确定我之前是这样做的,但由于某种原因,当我运行它时,JFrame不会显示出来。为什么我的JFrame没有显示?
JLabel originalString = new JLabel("Original String: "
+ str.getMutator());
JLabel currentString = new JLabel("Current String: "
+ str.getMutator());
JLabel finalString = new JLabel("Final String: " + str.getTarget());
JPanel panel = new JPanel();
panel.add(originalString);
panel.add(currentString);
panel.add(finalString);
JFrame frame = new JFrame("Mutating String!");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
这段代码包含什么方法? – 2010-09-27 22:02:23