A GridBagLayout Example: weightx, weighty
import java.awt.Button;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import javax.swing.JPanel;
public class Main extends JPanel {
protected void makebutton(String name, GridBagLayout gridbag, GridBagConstraints c) {
Button button = new Button(name);
gridbag.setConstraints(button, c);
add(button);
}
public Main() {
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
c.weightx = 1.0;
c.weighty = 1.0;
makebutton("Button 1", gridbag, c);
c.fill = GridBagConstraints.BOTH;
makebutton("Button 2", gridbag, c);
}
public static void main(String args[]) {
Frame f = new Frame();
JPanel mgb = new Main();
f.add("Center", mgb);
f.pack();
f.setSize(300, 300);
f.setVisible(true);
}
}
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