c++

#pragma argsused

#include <iostream.h>

  class HITUNG {

   private:

    int r, nilai, nilai1;

    double hasil, hasil1;

   public:

     void luas_lingkaran(){

        cout<<"masukkan bilangan r :";

        cin>>r;

        cout<<"phi = 3.14"<<endl;

        hasil = 3.14 * r * r;

        cout<<"hasil luas lingkaran adalah :"<<hasil<<endl;

        cout<<"\n";

        nilai = 4;

        nilai1 = 3;

        hasil1 = (nilai * 3.14 * r * r * r)/nilai1;

        cout<<"hasil volume bola adalah :"<<hasil1<<endl;

     }

     };

int main(){

     int x;

      HITUNG H;

      H.luas_lingkaran();

     cin>>x;

        return 0;

}

part 1

 #include <iostream.h>
#include <conio.h>

void main() {
    int A[10] = {1,2,3,4,5,6,7,8,9,10};
    int n = 10;
    cout << "Nilai array asal : ";
    for (int i=0; i<n; i++)
        cout << "Nilai indeks ke-[" << i << "] adalah " << A << endl;
    getch();
}

jeliot

public class array {

   public static void main()

{

        int[] A = {1,2,3,4,5,6,7,8,9,10};

        int n = 10;

        System.out.print("Nilai array asal : ");

        for (int i =0; i<n; i++)

        {

               System.out.print("Nilai indeks ke-[");

               System.out.print(i);

               System.out.print("] adalah ");

               System.out.print(A[1]); //karena menunjuk alamat

               System.out.print("\n");

        }

}

}

jeliot 2

public class array {
public static void main(String[]args)
{
   int[] A = {1,2,3,4,5,6,7,8,9,10};
   int n = 10;
   System.out.print("Nilai array asal : ");
   for (int i =0; i<n; i++)
   {
      System.out.print("Nilai indeks ke-[");
      System.out.print(i);
      System.out.print("] adalah ");
      System.out.print(A[i]);
      System.out.print("\n");
   }

}
}

jeliot

class TitikTengah {
    static void main() {
        Output.println("Masukan nilai x1 : ");
        int x1 = Input.readInt();
        Output.println("Masukan nilai y1 : ");
        int x2 = Input.readInt();
        Output.println("Masukan nilai x2 : ");
        int y1 = Input.readInt();
        Output.println("Masukan nilai y2 : ");
        int y2 = Input.readInt();
        int A,B;
       
        A=(x1+x2)/2;
        B=(y1+y2)/2;

        Output.println("Tampilkan A :" + A);
        Output.println("Tampilkan B :" + B);
    }
}