java中建立两个frame_Java Swing - 如何创建两个JFrames并排

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Frame;

import java.awt.GraphicsDevice;

import java.awt.GraphicsEnvironment;

import java.awt.Point;

import javax.swing.BorderFactory;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextArea;

public class Main {

static void createFrameAtLocation(Point p) {

JFrame frame = new JFrame();

frame.setTitle("Test frame on two screens");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel panel = new JPanel(new BorderLayout());

JTextArea textareaA = new JTextArea(24, 80);

textareaA.setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY, 1));

panel.add(textareaA, BorderLayout.CENTER);

frame.setLocation(p);

frame.add(panel);

frame.pack();

frame.setExtendedState(Frame.MAXIMIZED_BOTH);

frame.setVisible(true);

}

public static void main(String[] args) {

Point p1 = null;

Point p2 = null;

for (GraphicsDevice gd : GraphicsEnvironment.getLocalGraphicsEnvironment()

.getScreenDevices()) {

if (p1 == null) {

p1 = gd.getDefaultConfiguration().getBounds().getLocation();

} else if (p2 == null) {

p2 = gd.getDefaultConfiguration().getBounds().getLocation();

}

}

if (p2 == null) {

p2 = p1;

}

createFrameAtLocation(p1);

createFrameAtLocation(p2);

}

}