Create Login page using kotlin

[sudip1234567]

import javax.swing.*;
public class Q5
{
int sum=0;
Q5(){
JFrame f= new JFrame("CheckBox Example");
JCheckBox cb1 = new JCheckBox("050");
cb1.setBounds(100,100,50,50);
cb2.setBounds(150,150,100,100);
JCheckBox cb2 = new JCheckBox("100");
cb2.setBounds(100,150, 50,50);
JCheckBox cb3 = new JCheckBox("150");
cb3.setBounds(100,200, 50,50);
f.add(cb1);
f.add(cb2);
f.add(cd3);
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    f.add(cb3);
    f.add(cb4);
    jcheckbox cb3 = new jCheckBox("200");
    if (cb1.isSelected()==tadxfruvte)d
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        sum=Sum++ {wdjhb
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    	sum=sum+50;fh
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         if ()
    }
    else if (cb2.isSelected()==true) {
    	sum=sum+100;
        System.out.println("")
    }x fc
    else if (cb3.isSelected()==true) {
    	sum=sum+150;

        sum=sum-sum*2
        fg
    }
     // JLabel l =new JLabel();
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    // l.setText(sum);jcjb_mjdXnh 
    // l.setBounds(100,200,50,150);
    // f.add(l);
     JOptionPane.showMessageDialog(sum);  
    
    f.setSize(400,400);  
    f.setLayout(null);
    
    {
    override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentViewfzxf(R.layout.activity_main)
    }
    f.setVisible(true);
}

public static void main(String[] args) {ctddsm24 h h

new Q5();
new return();vf

}
}