Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.Border;

public class Main {

    public static void main(String[] args) {
        JFrame aWindow = new JFrame();
        aWindow.setBounds(200, 200, 200, 200);
        aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Container content = aWindow.getContentPane();
        content.add(new GridBagLayoutPanel());
        aWindow.setVisible(true);
    }
}

class GridBagLayoutPanel extends JPanel {

    public GridBagLayoutPanel() {
        GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints constraints = new GridBagConstraints();
        setLayout(gridbag);

        constraints.weightx = constraints.weighty = 10.0;
        constraints.fill = constraints.NONE;
        constraints.ipadx = 30;
        constraints.ipady = 10;
        addButton("Press", constraints, gridbag);

        constraints.weightx = 5.0;
        constraints.fill = constraints.BOTH;
        constraints.ipadx = constraints.ipady = 0;
        constraints.insets = new Insets(10, 30, 10, 20);
        constraints.gridwidth = constraints.RELATIVE;
        constraints.gridheight = 2;
        addButton("GO", constraints, gridbag);

        constraints.insets = new Insets(0, 0, 0, 0);
        constraints.gridx = 0;
        constraints.fill = constraints.NONE;
        constraints.ipadx = 30;
        constraints.ipady = 10;
        constraints.gridwidth = 1;
        constraints.gridheight = 1;
        addButton("Push", constraints, gridbag);

    }

    private void addButton(String label, GridBagConstraints constraints, GridBagLayout layout) {

        Border edge = BorderFactory.createRaisedBevelBorder();

        JButton button = new JButton(label);
        button.setBorder(edge);
        layout.setConstraints(button, constraints);
        add(button);
    }
}