import javax.swing.*;
import java.util.concurrent.*; public class HelloSwing{
public static void main(String[] args) throws Exception{
JFrame frame=new JFrame("Hellow Swing");
JLabel label=new JLabel("A Label");
frame.add(label);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(300,100);
frame.setVisible(true);
TimeUnit.SECONDS.sleep(1);
label.setText("This is a label");
}
}
import java.util.concurrent.*; public class HelloSwing{
public static void main(String[] args) throws Exception{
JFrame frame=new JFrame("Hellow Swing");
JLabel label=new JLabel("A Label");
frame.add(label);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(300,100);
frame.setVisible(true);
TimeUnit.SECONDS.sleep(1);
label.setText("This is a label");
}
}
忽然间发现自己的JAVA代码依然停留在1.4时代