public static void main(String[] args) {
    
  //deklarasi variabel
  double fahrenheit, reamur, celcius;
    
  //scanner
  Scanner keyboard = new Scanner(System.in);  
  System.out.println("======= PROGRAM MENGHITUNG CELCIUS KE FAHRENHEIT DAN REAMUR =======");  
    
  //input
  System.out.print("Masukkan Suhu Celcius = ");  
  celcius = keyboard.nextInt();  
    
  //prosess  
  fahrenheit = celcius * 9/5 + 32;  
  reamur = celcius * 4/5 ;  
    
  //output  
  System.out.println("======= HASIL AKHIR =======");  
  System.out.println("Hasil Konversi Suhu dari Celcius ke Fahrenheit "+ fahrenheit);  
   System.out.println("Hasil Konversi Suhu dari Celcius ke Reamur "+ reamur);  
    
  }  

Tampilan Code Program menghitung isi kotak dan luas permukaan kotak

  public static void main(String[] args) {
    
  //deklarasi variabel
  int panjang,lebar,tinggi,isi,luas;
    
  //scanner
  Scanner keyboard = new Scanner(System.in);  
  System.out.println("======= PROGRAM MENGHITUNG ISI KOTAK DAN LUAS PERMUKAAN KOTAK =======");  
    
  //input
  System.out.print("Masukkan Panjang = ");  
  panjang = keyboard.nextInt();  
    
  System.out.print("Masukkan Lebar = ");  
  lebar = keyboard.nextInt();  
    
  System.out.print("Masukkan Tinggi = ");  
  tinggi = keyboard.nextInt();  
    
  //prosess  
  isi = panjang * lebar * tinggi;  
  luas = (panjang * lebar * 2) + (panjang * tinggi * 2) + (lebar * tinggi *2);  
    
  //output  
  System.out.println("======= HASIL AKHIR =======");  
  System.out.println("Isi Kotak Adalah = "+ isi);  
  System.out.println("Luas Permukaan Kotak Adalah = "+ luas);  
    
  }  

Hasil Code Program menghitung isi kotak dan luas permukaan kotak

3. Program menghitung nilai akhir

Tampilan Code Program menghitung nilai akhir

  public static void main(String[] args) {
    
  //deklarasi variabel
  String nama;
  int nilai1,nilai2,nilai3 ;  
  double n1,n2,n3 ,na;  
    
  //scanner
  Scanner keyboard = new Scanner(System.in);  
  System.out.println("======= PROGRAM MENGHITUNG NILAI AKHIR =======");  
    
  //input
  System.out.print("Nama Siswa : " );  
  nama = keyboard.nextLine();  
    
  System.out.print("Nilai Tugas : ");  
  nilai1= keyboard.nextInt();  
    
  System.out.print("Nilai MID: ");  
  nilai2= keyboard.nextInt();  
    
  System.out.print("Nilai Final : ");  
  nilai3= keyboard.nextInt();  
    
  //prosess  
  n1= 0.2 * nilai1;  
  n2= 0.3 * nilai2;  
  n3= 0.5 * nilai3;  
  na= n1+n2+n3;  
    
  //output  
  System.out.println("Siswa Bernama = " + nama );  
  System.out.println("Nilai Tugas = " + (int)n1);  
  System.out.println ("Nilai MID = " + (int)n2 );  
  System.out.println("Nilai Finals = " + (int)n3 );  
     System.out.println("Nilai Akhir " + na);
    
  }  

Hasil Code Program menghitung nilai akhir