Program to combine BorderLayout, GridLayout and FlowLayout in Java Swing?

Here, we have set panels with BorderLayout, GridLayout and FlowLayout. Within the panels, we have created components such as Button, ComboBox, etc. The following is an example to combine layouts in Java −

Example

package my;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class SwingDemo {
   public static void main(String[] args) {
      JButton btnA = new JButton("Button1 (Left)");
      JButton btnB = new JButton("Button2 (Right)");
      JButton btnC = new JButton("Button3 (Left)");
      JButton btnD = new JButton("Button4 (Right)");
      btnA.setPreferredSize(new Dimension(150, 20));
      btnB.setPreferredSize(new Dimension(150, 20));
      btnC.setPreferredSize(new Dimension(150, 20));
      btnD.setPreferredSize(new Dimension(150, 20));
      JPanel btnAPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
      JPanel btnBPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
      JPanel btnCPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
      JPanel btnDPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
      btnAPanel.add(btnA);
      btnBPanel.add(btnB);
      btnCPanel.add(btnC);
      btnDPanel.add(btnD);
      JPanel panelGrid = new JPanel(new GridLayout(10, 5, 10, 10));
      panelGrid.add(new JCheckBox("Demo CheckBox1"));
      panelGrid.add(new JCheckBox("Demo CheckBox2"));
      panelGrid.add(btnAPanel);
      panelGrid.add(btnBPanel);
      panelGrid.add(btnCPanel);
      panelGrid.add(btnDPanel);
      JPanel panelBrdLayout = new JPanel(new BorderLayout());
      panelBrdLayout.add(panelGrid, BorderLayout.SOUTH);
      panelBrdLayout.setPreferredSize(new Dimension(550, 300));
      JFrame frame = new JFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.add(panelBrdLayout);
      frame.setSize(550, 400);
      frame.setVisible(true);
   }
}

Output

Anvi Jain

Updated on 30-Jul-2019 22:30:26

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