Java风格

Java风格

import javax.swing.JFrame;import javax.swing.JRootPane;public class Main {  public static void main(final String args[]) {    JFrame frame = new JFrame("Adornment Example");    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    frame.setUndecorated(true);    frame.getRootPane().setWindowDecorationStyle(JRootPane.FRAME);    frame.setSize(300, 100);    frame.setVisible(true);  }