CheckBox

import javax.swing.*;

class CheckBox extends JFrame
{
    JCheckBox ch1,ch2,ch3,ch4;
 
 CheckBox()
 {    
     ch1=new JCheckBox("Cricket",false);
     ch2=new JCheckBox("Football",false);
     ch3=new JCheckBox("Baseball",false);
     ch4=new JCheckBox("Swimming",false);  
     add(ch1);add(ch3);add(ch4);add(ch2);  
 }
  
 public static void main(String[] args) 
 {
     JFrame win = new CheckBox();
   
     win.setTitle("CheckBox");
     win.setSize(400,100);
     win.setLayout(new FlowLayout());
     win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     win.setVisible(true);
 }  
}

Output