Program Menu Java

Output program :

Coding program :

import java.io.*;

import javax.swing.*;

class menu

{

public static void main(String[]args)

{

do

{

String temp = JOptionPane.showInputDialog ("----=| MENU |=---- \n1. Biodata \n2. Nilai UTS UAS \n3. Deret \n4. Keluar");

int pilihan = Integer.parseInt(temp);

switch (pilihan)

{

case 1:

String nama = JOptionPane.showInputDialog("Masukkan Nama Anda :");

String npm = JOptionPane.showInputDialog("Masukkan NPM Anda :");

String kelas = JOptionPane.showInputDialog("Masukkan Kelas Anda :");

JOptionPane.showMessageDialog(null, "Nama "+nama+ "\n Npm "+npm+ "\n Kelas "+kelas);

break;

case 2 :

String temp1 = JOptionPane.showInputDialog("Masukkan Nilai UTS : ");

int uts = Integer.parseInt(temp1);

String temp2 = JOptionPane.showInputDialog("Masukkan Nilai UAS : ");

int uas = Integer.parseInt(temp2);

double total = (uts*0.7)+(uas*0.3);

if ((total>=80)&&(total<=90))

{

JOptionPane.showMessageDialog(null,"Nilai Akhir Anda :"+total+"\nAnda Lulus dengan nilai A");

}

else if ((total>=70)&&(total<=79))

{

JOptionPane.showMessageDialog(null,"Nilai Akhir Anda :"+total+"\nAnda Lulus dengan nilai B");

}

else if ((total>=60)&&(total<=69))

{

JOptionPane.showMessageDialog(null,"Nilai Akhir Anda :"+total+"\nAnda Lulus dengan nilai C");

}

else if ((total>=50)&&(total<=59))

{

JOptionPane.showMessageDialog(null,"Nilai Akhir Anda :"+total+"\nAnda Lulus dengan nilai D");

}

else

{

JOptionPane.showMessageDialog(null,"Nilai Akhir Anda :"+total+"\nAnda Lulus dengan nilai E");

}

break;

case 3 :

String temp3 = JOptionPane.showInputDialog (" Masukkan Jumlah Deret:");

int deret =Integer.parseInt(temp3);

String hasil = " ";

for (int i = 1 ;i<= deret ;i++ )

{

for (int j = 1;j<= i ;j++ )

{

hasil = hasil+j;

}

hasil = hasil+"\n";

}

JOptionPane.showMessageDialog(null,hasil);

break;

case 4 :

JOptionPane.showMessageDialog(null,"Terimakasih");

System.exit(0);

break;

default :

JOptionPane.showMessageDialog(null,"Pilihan Hanya 1 s/d 4!!!");

}

}

while(true);

}

}