CONTOH PROGRAM JAVA MENGHITUNG RUMUS FISIKA

import java.util.Scanner;

class HitungRumus{

public static void main (String args[]){

Scanner save = new Scanner(System.in);

float rumus;

String loop;

System.out.println("==============================");

System.out.println("RUMUS-RUMUS FISIKA");

System.out.println("MENU");

System.out.println("|1. Hukum II Newton           |");

System.out.println("|2. Gaya Berat                |");

System.out.println("|3. Tekanan                   |");

System.out.println("|4. Frekuensi Getaran         |");

System.out.println("|5. Gerak Lurus Beraturan     |");

System.out.println("|6. Keluar                    |");

System.out.println("==============================");

for(loop = "Y"; loop.equals("Y")||loop.equals("y");)

{

System.out.print("Masukkan Pilihan : ");int pilihan = save.nextInt();

switch(pilihan){

case 1:

System.out.println("Anda memilih rumus Hukum II Newton");

System.out.println("=====================================");

System.out.println("Tekan 1 untuk Mencari Gaya(n)");

System.out.println("Tekan 2 untuk Mencari Massa(kg)");

System.out.println("Tekan 3 untuk Mencari Percepatan(m/s2)");

System.out.println("=====================================");

System.out.print("Masukkan Pilihan : ");int coba = save.nextInt();

System.out.println("=====================================");

if(coba==1){

                                System.out.println("Anda ingin mencari Gaya");

                                System.out.println("==================================");

                                System.out.print("Masukkan Massa (kg): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Percepatan (m/s2): ");

                                float dua = save.nextFloat();

                                rumus =satu*dua;

                                System.out.print("Hasilnya: "+satu+"*"+dua+" = "+rumus+" N");

                                                }

else if(coba==2){

                                System.out.println("Anda ingin mencari Massa");

                                System.out.println("========================");

                                System.out.print("Masukkan Gaya (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Percepatan (m/s2): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" kg");

                                                                }

else if(coba==3){

                                System.out.println("Anda ingin mencari Percepatan");

                                System.out.println("=============================");

                                System.out.print("Masukkan Gaya (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Massa (kg): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" m/s2");

                                }

else

                                {

                                System.out.println("Menu yang anda masukkan salah!!");

                                }

break;

                                              

case 2:

System.out.println("Anda memilih rumus Gaya Berat");

System.out.println("=====================================");

System.out.println("Tekan 1 untuk Mencari Gaya Berat (n)");

System.out.println("Tekan 2 untuk Mencari Massa Benda(kg)");

System.out.println("Tekan 3 untuk Mencari Gravitasi Bumi(m/s2)");

System.out.println("=====================================");

System.out.print("Masukkan Pilihan : ");coba = save.nextInt();

System.out.println("=====================================");

if(coba==1){

                                System.out.println("Anda ingin mencari Gaya Berat");

                                System.out.println("==================================");

                                System.out.print("Masukkan Massa Benda (kg): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Gravitasi Bumi (m/s2): ");

                                float dua = save.nextFloat();

                                rumus =satu*dua;

                                System.out.print("Hasilnya: "+satu+"*"+dua+" = "+rumus+" N");

                                                }

else if(coba==2){

                                System.out.println("Anda ingin mencari Massa Benda");

                                System.out.println("========================");

                                System.out.print("Masukkan Gaya Berat (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Gravitasi Bumi (m/s2): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" kg");

                                                                }

else if(coba==3){

                                System.out.println("Anda ingin mencari Gravitasi Bumi");

                                System.out.println("=============================");

                                System.out.print("Masukkan Gaya Berat (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Massa Benda (kg): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" m/s2");

                                }

else

                                {

                                System.out.println("Menu yang anda masukkan salah!!");

                                }

break;

case 3:

System.out.println("Anda memilih rumus Tekanan");

System.out.println("=====================================");

System.out.println("Tekan 1 untuk Mencari Tekanan(N/m2)");

System.out.println("Tekan 2 untuk Mencari Gaya(N)");

System.out.println("Tekan 3 untuk Mencari Luas Alas(m2)");

System.out.println("=====================================");

System.out.print("Masukkan Pilihan : ");coba = save.nextInt();

System.out.println("=====================================");

if(coba==1){

                                System.out.println("Anda ingin mencari Tekanan");

                                System.out.println("==================================");

                                System.out.print("Masukkan Gaya (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Luas Alas (m2): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" N/m2");

                                                }

else if(coba==2){

                                System.out.println("Anda ingin mencari Gaya");

                                System.out.println("========================");

                                System.out.print("Masukkan Tekanan (N/m2): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Luas Alas: ");

                                float dua = save.nextFloat();

                                rumus =satu*dua;

                                System.out.print("Hasilnya: "+satu+"*"+dua+" = "+rumus+" N");

                                                                }

else if(coba==3){

                                System.out.println("Anda ingin mencari Luas Alas");

                                System.out.println("=============================");

                                System.out.print("Masukkan Gaya (N): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Tekanan (N/m2): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" m2");

                                }

else

                                {

                                System.out.println("Menu yang anda masukkan salah!!");

                                }

break;

case 4:

System.out.println("Anda memilih rumus Frekuensi Getaran");

System.out.println("=====================================");

System.out.println("Tekan 1 untuk Mencari Frekuensi(Hz)");

System.out.println("Tekan 2 untuk Mencari Jumlah Getaran(n)");

System.out.println("Tekan 3 untuk Mencari Waktu(s)");

System.out.println("=====================================");

System.out.print("Masukkan Pilihan : ");coba = save.nextInt();

System.out.println("=====================================");

if(coba==1){

                                System.out.println("Anda ingin mencari Frekuensi");

                                System.out.println("==================================");

                                System.out.print("Masukkan Jumlah Getaran (n): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Waktu (sekon): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" Hz");

                                                }

else if(coba==2){

                                System.out.println("Anda ingin mencari Jumlah Getaran");

                                System.out.println("========================");

                                System.out.print("Masukkan Frekuensi (Hz): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Waktu (sekon): ");

                                float dua = save.nextFloat();

                                rumus =satu*dua;

                                System.out.print("Hasilnya: "+satu+"*"+dua+" = "+rumus+" n");

                                                                }

else if(coba==3){

                                System.out.println("Anda ingin mencari Waktu");

                                System.out.println("=============================");

                                System.out.print("Masukkan Jumlah Getaran (n): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Frekuensi (Hz): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" sekon");

                                }

else

                                {

                                System.out.println("Menu yang anda masukkan salah!!");

                                }

break;

case 5:

System.out.println("Anda memilih rumus Gerak Lurus Beraturan");

System.out.println("=====================================");

System.out.println("Tekan 1 untuk Mencari Kecepatan(m/s)");

System.out.println("Tekan 2 untuk Mencari Jarak yang ditempuh(m)");

System.out.println("Tekan 3 untuk Mencari Waktu Tempuh(s)");

System.out.println("=====================================");

System.out.print("Masukkan Pilihan : ");coba = save.nextInt();

System.out.println("=====================================");

if(coba==1){

                                System.out.println("Anda ingin mencari Kecepatan");

                                System.out.println("==================================");

                                System.out.print("Masukkan Jarak yang ditempuh (m): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Waktu Tempuh (sekon): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" m/s");

                                                }

else if(coba==2){

                                System.out.println("Anda ingin mencari Jarak yang ditempuh");

                                System.out.println("========================");

                                System.out.print("Masukkan Kecepatan (m/s): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Waktu Tempuh (sekon): ");

                                float dua = save.nextFloat();

                                rumus =satu*dua;

                                System.out.print("Hasilnya: "+satu+"*"+dua+" = "+rumus+" m");

                                                                }

else if(coba==3){

                                System.out.println("Anda ingin mencari Waktu Tempuh");

                                System.out.println("=============================");

                                System.out.print("Masukkan Jarak yang ditempuh (meter): ");

                                float satu = save.nextFloat();

                                System.out.print("Masukkan Kecepatan (m/s): ");

                                float dua = save.nextFloat();

                                rumus =satu/dua;

                                System.out.print("Hasilnya: "+satu+"/"+dua+" = "+rumus+" sekon");

                                }

else

{

System.out.println("Menu yang anda masukkan salah!!");

}

break;

case 6:

break;

default:

System.out.println("Maaf Menu tidak ada!!");

}

System.out.print("\nApakah anda ingin kembali ke menu utama(Y/T): ");loop = save.next();

}

}

}

PRINT SCREEN