Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Point;

import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main {

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setLayout(new BorderLayout());
        frame.pack();

        Container contentPane = frame.getContentPane();
        contentPane.setLayout(null);
        for (int i = 0; i < 4; i++) {
            JPanel panel = new JPanel();
            panel.setBounds((i * 75) + 475, 25, 75, 100);
            System.out.println(panel.getBounds());
            contentPane.add(panel);
            panel.setBorder(BorderFactory.createLineBorder(Color.BLACK, 3));
        }
        System.out.println(getComponentAt(contentPane, new Point(475, 25)));
        System.out.println(getComponentAt(contentPane, new Point(100, 25)));
        frame.setVisible(true);
    }

    public static Component getComponentAt(Container parent, Point p) {
        Component comp = null;
        for (Component child : parent.getComponents()) {
            if (child.getBounds().contains(p)) {
                comp = child;
            }
        }
        return comp;
    }
}