How do I place swing component using absolute coordinates?

By Wayan in Swing 0 Comment

In this example you can see how we do an absolute positioning to a swing component in the content panel. In this example we use a JPanel as the container, and we didn’t set a layout manager into it.

To position the component on the container we use the setBounds() method of the component. This method takes the x and y coordinate position and also the width and height of the component.

package org.kodejava.swing;

import javax.swing.*;

public class AbsolutePositionDemo extends JFrame {
    public AbsolutePositionDemo() {
        initializeUI();
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(
                () -> new AbsolutePositionDemo().setVisible(true));
    }

    private void initializeUI() {
        setSize(400, 400);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        JPanel panel = new JPanel(null);

        JTextField textField = new JTextField(20);
        textField.setBounds(50, 50, 100, 20);

        JButton button = new JButton("Button");
        button.setBounds(200, 100, 100, 20);

        JCheckBox checkBox = new JCheckBox("Check Me!");
        checkBox.setBounds(300, 250, 100, 20);

        panel.add(textField);
        panel.add(button);
        panel.add(checkBox);

        setContentPane(panel);
    }
}
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