以下是我的代码:
JLabel label1 = new JLabel("testcontent");
label1.setBounds(131, 57, 205, 74);
frame.getContentPane().add(label1);
JButton btn1 = new JButton("run");
btn1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
btn1.setBounds(169, 206, 117, 25);
frame.getContentPane().add(btn1);
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当我尝试在actionPerformed中引用label1时,eclipse找不到label1.任何人都可以告诉我什么是错的?