Tabb

import java.awt.*;
import javax.swing.*;

public class Tabb {
    public static void main(String args[]) {
        JFrame f = new JFrame("Example");
        JTextArea ta = new JTextArea("Welcome");
        JPanel p1 = new JPanel();
        p1.add(ta);

        JLabel l1 = new JLabel("Username");
        l1.setBounds(50, 50, 30, 30);
        JTextField t = new JTextField();
        t.setBounds(50, 50, 150, 100);

        JPanel p2 = new JPanel();
        p2.add(l1);
        p2.add(t);

        JPanel p3 = new JPanel();
        JTabbedPane jt = new JTabbedPane();
        jt.setBounds(50, 50, 200, 200);
        jt.add("main", p1);
        jt.add("visit", p2);
        jt.add("Java", p3);
        f.add(jt);
        f.setSize(600, 600);
        f.setLayout(null);

        f.setVisible(true);
    }

}