?? tryborderlayout.java
字號:
import javax.swing.*;
import java.awt.*;
import javax.swing.border.*; // For the border classes
public class TryBorderLayout
{
// The window object
static JFrame aWindow = new JFrame("This is a Border Layout");
public static void main(String[] args)
{
Toolkit theKit = aWindow.getToolkit(); // Get the window toolkit
Dimension wndSize = theKit.getScreenSize(); // Get screen size
// Set the position to screen center & size to half screen size
aWindow.setBounds(wndSize.width/4, wndSize.height/4, // Position
wndSize.width/2, wndSize.height/2); // Size
aWindow.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
BorderLayout border = new BorderLayout(); // Create a layout manager
Container content = aWindow.getContentPane(); // Get the content pane
content. setLayout(border); // Set the container layout mgr
EtchedBorder edge = new EtchedBorder(EtchedBorder.RAISED); // Button border
// Now add five JButton components and set their borders
JButton button;
content.add(button = new JButton("EAST"), BorderLayout.EAST);
button.setBorder(edge);
content.add(button = new JButton("WEST"), BorderLayout.WEST);
button.setBorder(edge);
content.add(button = new JButton("NORTH"), BorderLayout.NORTH);
button.setBorder(edge);
content.add(button = new JButton("SOUTH"), BorderLayout.SOUTH);
button.setBorder(edge);
content.add(button = new JButton("CENTER"), BorderLayout.CENTER);
button.setBorder(edge);
aWindow.setVisible(true); // Display the window
}
}
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