JFrame

import java.awt.FlowLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class tuna extends JFrame{

    private JLabel item1;

    public tuna(){
        super("Aminpro Title Bar");
        setLayout(new FlowLayout());

        item1 = new JLabel("This is a text");
        item1.setToolTipText("This is a hover hand");
        add(item1);

    }
}

import javax.swing.JFrame;

class apples{
    public static void main(String args[]){
        tuna tunaObject = new tuna();

        tunaObject.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        tunaObject.setSize(275, 180);
        tunaObject.setVisible(true);
    }
}