JAVA GUI DEMO - Creating a Container

Creating a Container - Method 1

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package javaguidemomethod1;

import javax.swing.*;

public class Main {

    public static void main(String[] args) {
        JFrame frame = new JFrame();                              
        frame.setTitle("My First GUI Application - Method 1");    
        frame.setSize(400,500);                                   
        frame.setLocationRelativeTo(null);                                   
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     
        frame.setVisible(true);                                   
    }
}

Creating a Container - Method 2

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package javaguidemomethod2;

import javax.swing.*;

public class Main extends JFrame {

    public Main() {
        setTitle("My First GUI Application - Method 2");
        setSize(400, 500);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setVisible(true);
    }

    public static void main(String[] args) {
        Main frame = new Main();
    }
}