Program Menu Java

import java.io.*;
import javax.swing.*;

class JulioMenu

{

public static void main(String[]args)

{

do

{
String temp = JOptionPane.showInputDialog ("<<<<>>>>\n1. Biodata \n2. Perhitungan Nilai \n3. Deret \n4. Matriks \n5. Keluar");

int pilihan = Integer.parseInt(temp);

switch (pilihan)

{


case 1:

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

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

JOptionPane.showMessageDialog(null,"Nama Andaa dalah "+nama+"\nDengan NPM "+npm);

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 :

String[][]bil = new String[3][3];

int[][] a = new int[2][2];

int[][] b = new int[2][2];

int[][] c = new int[2][2];

for(int i=0;i<2;i++)>

{

for(int j=0;j<2;j++)>

{

bil[i][j] =JOptionPane.showInputDialog("Matriks A = "+i+" "+j);

a[i][j] = Integer.parseInt(bil[i][j]);

}

}

for(int i=0;i<2;i++)>

{

for(int j=0;j<2;j++)>

{

bil[i][j] =JOptionPane.showInputDialog("Matriks B = "+i+" "+j);

b[i][j] = Integer.parseInt(bil[i][j]);

}

}

JOptionPane.showMessageDialog(null,"MATRIKSA\n"+a[0][0]+""+a[0][1]+"\n"+a[1][0]+" " +a[1][1]);

JOptionPane.showMessageDialog(null,"MATRIKSB\n"+b[0][0]+""+b[0][1]+"\n"+b[1][0]+" " +b[1][1]);

break;


case 5 :

JOptionPane.showMessageDialog(null,"Terimakasih");

System.exit(0);

break;


default :

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

}

}

while(true);

}

}