Java 98. Hướng dẫn kéo thả giao diện Java Swing

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Video giải thích chi tiết

 Code chi tiết 

package view;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JLabel;
import java.awt.Color;

public class ViDu extends JFrame {

	private JPanel contentPane;
	private JTextField textField;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					ViDu frame = new ViDu();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public ViDu() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JButton btnNewButton = new JButton("New button");
		btnNewButton.setFont(new Font("Tahoma", Font.PLAIN, 20));
		btnNewButton.setBounds(82, 154, 280, 96);
		contentPane.add(btnNewButton);
		
		textField = new JTextField();
		textField.setBounds(34, 78, 390, 65);
		contentPane.add(textField);
		textField.setColumns(10);
		
		JLabel lblNewLabel = new JLabel("V\u00CD D\u1EE4");
		lblNewLabel.setForeground(Color.RED);
		lblNewLabel.setFont(new Font("Tahoma", Font.PLAIN, 20));
		lblNewLabel.setBounds(184, 11, 63, 56);
		contentPane.add(lblNewLabel);
		
		this.setVisible(true);
	}
}

package view;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JLabel;
import java.awt.Color;

public class ViDu2 extends JFrame {

	private JPanel contentPane;
	private JTextField textField;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					ViDu2 frame = new ViDu2();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public ViDu2() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JButton btnNewButton = new JButton("New button");
		btnNewButton.setFont(new Font("Tahoma", Font.PLAIN, 20));
		btnNewButton.setBounds(82, 154, 280, 96);
		contentPane.add(btnNewButton);
		
		textField = new JTextField();
		textField.setBounds(34, 78, 390, 65);
		contentPane.add(textField);
		textField.setColumns(10);
		
		JLabel lblNewLabel = new JLabel("V\u00CD D\u1EE4");
		lblNewLabel.setForeground(Color.RED);
		lblNewLabel.setFont(new Font("Tahoma", Font.PLAIN, 20));
		lblNewLabel.setBounds(184, 11, 63, 56);
		contentPane.add(lblNewLabel);
		
		this.setVisible(true);
	}
}

package view;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JLabel;
import java.awt.Color;

public class ViDu3 extends JFrame {

	private JPanel contentPane;
	private JTextField textField;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					ViDu3 frame = new ViDu3();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public ViDu3() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JButton btnNewButton = new JButton("New button");
		btnNewButton.setFont(new Font("Tahoma", Font.PLAIN, 20));
		btnNewButton.setBounds(82, 154, 280, 96);
		contentPane.add(btnNewButton);
		
		textField = new JTextField();
		textField.setBounds(34, 78, 390, 65);
		contentPane.add(textField);
		textField.setColumns(10);
		
		JLabel lblNewLabel = new JLabel("V\u00CD D\u1EE4");
		lblNewLabel.setForeground(Color.RED);
		lblNewLabel.setFont(new Font("Tahoma", Font.PLAIN, 20));
		lblNewLabel.setBounds(184, 11, 63, 56);
		contentPane.add(lblNewLabel);
		
		this.setVisible(true);
	}
}

package test;

import javax.swing.UIManager;

import view.ViDu;


public class Test {
	public static void main(String[] args) {
		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
			new ViDu();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
}