Overview

In this tutorial, we will learn about Java Swing FlowLayout.
FlowLayout is the default layout for the JPanel container. It is the simplest layout in Java Swing layouts.

Java Swing FlowLayout

The FlowLayout places GUI components from left to right in a row until no space is available in the container. When no space is available, a new row is started in the container. The place of the component depends on the size of the container therefore you cannot guarantee which row the component is placed.

Java Demo Program

import java.awt.*;
import javax.swing.*;

/****************************************
 * Filename: FlowLayoutDemo.java
 * 
 * Java Tutorials - www.TestingDocs.com
 *****************************************/

public class FlowLayoutDemo {
	
    public static void main(String[] args) {

        JFrame frame = new JFrame("FlowLayout -www.TestingDocs.com");
        JButton btn1 = new JButton("Button 1");
        JButton btn2 = new JButton("Button 2");
        JButton btn3 = new JButton("Button 3");
        JButton btn4 = new JButton("Button 4");
        JButton btn5 = new JButton("Button 5");
        JButton btn6 = new JButton("Button 6");
        JButton btn7 = new JButton("Button 7");
        JButton btn8 = new JButton("Button 8");
        // FlowLayout
        JPanel panel = new JPanel(new FlowLayout());
        // add the buttons 
        panel.add(btn1);
        panel.add(btn2);
        panel.add(btn3);
        panel.add(btn4);
        panel.add(btn5);
        panel.add(btn6);
        panel.add(btn7);
        panel.add(btn8);

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400,200);
        frame.getContentPane().add(panel);
        frame.setVisible(true);
    }
}

Output

Run the Java application to view the output.

 

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