import java.awt.*;
import javax.swing.*;
import java.awt.FlowLayout;
import javax.swing.JCheckBox;
import javax.swing.JFrame;



public class MyCheckBox extends JFrame 
{
		private JCheckBox Cbx_java, Cbx_php, Cbx_csharp, Cbx_c, Cbx_html, Cbx_python;
		JPanel Painel_Centro;
 		public MyCheckBox()
 		{
  				super("Que Linguagens você já sabe programar?");

  				setLayout( new BorderLayout() );
  				getContentPane().add("Center", Painel_Centro = new JPanel(new GridLayout(8, 1))); 

  				//Criando os JCheckBox
 			    Painel_Centro.add(Cbx_java 		= new JCheckBox("Java"));
  				Painel_Centro.add(Cbx_php 		= new JCheckBox("PHP");
  				Painel_Centro.add(Cbx_csharp 	= new JCheckBox("C#"));
  				Painel_Centro.add(Cbx_c 		= new JCheckBox("C"));
  				Painel_Centro.add(Cbx_python 	= new JCheckBox("PYTHON"));
  				Painel_Centro.add(Cbx_html 		= new JCheckBox("HTML"));
  		 
  				setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  				setSize(400,100);
  				setVisible(true);
 		} //Fim do método construtor
 		public static void main(String[] args) 
 		{
  				MyCheckBox myCheckBox = new MyCheckBox();
 		}

}