BAB 4 Praktek Alpro

import java.util.Scanner;
public class Latihan47 {

    public static void main(String[] args) {
        Scanner masuk = new Scanner(System.in);
        int i;
        float n, jumlah, x;
            System.out.println("Masukkan jumlah data : ");
            n = masuk.nextFloat();
            jumlah = 0;
            
            for (i = 1; i <= n; i++){
                System.out.print("Data ke-"+i+" : ");
                x = masuk.nextFloat();
                jumlah += x;
            }
            System.out.print("Jumlah : "+jumlah);

    }
    
}

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import java.util.Scanner;
public class Latihan472 {

    public static void main(String[] args) {
         Scanner masuk = new Scanner(System.in);
        int i;
        float n, jumlah, x, rata2 = 0;
            System.out.println("Masukkan jumlah data : ");
            n = masuk.nextFloat();
            jumlah = 0;
            
            for (i = 1; i <= n; i++){
                System.out.print("Data ke-"+i+" : ");
                x = masuk.nextFloat();
                jumlah += x;
                rata2 = jumlah/n;
            }
            System.out.print("Rata-rata = "+rata2);
    }
    
}
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public class Latihan473 {

    public static void main(String[] args) {
        int c;
        double f;
        
        System.out.println(".....................");
        System.out.println("celcius to fahreinhet");
        System.out.println(".....................");
        
        c = 1;
        do{
            f = 1.8 * c * 32;
                    System.out.println("Celcius : "+c+" fahreinhet "+f);
                    c++;
        }while(c <= 10);
        System.out.println(".....................");
       
    }
    
}

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public class Latihan474 {

    public static void main(String[] args) {
        
        int c;
        double f;
        
        System.out.println(".....................");
        System.out.println("celcius to fahreinhet");
        System.out.println(".....................");
        
        c = 1;
        while(c <= 10){
            f = 1.8 * c * 32;
            System.out.println("Celcius : "+c+" fahreinhet "+f);
            c++;
        }
        System.out.println(".....................");        

    }
    
}

package bilanganprima;

import java.util.Scanner;

    public static void main(String[] args) {

        Scanner input = new Scanner (System.in);

        boolean prima;

        System.out.print("Masukkan Banyak Bilangan Prima : ");

            int bil = input.nextInt();

            if (bil<2){

            System.out.println("Tidak Ada Bilangan Prima");

            }

            else

            System.out.print("Deret Bilangan Prima : ");

                for (int i=2;i<=bil;i++){

                    prima = true;

                    for (int j=2;j<i;j++){

                        if (i%j == 0){

                            prima = false;

                            break;

                        }

                    }

                    if (prima == true)

                        System.out.print(i+" ");

                }

                System.out.println();

   

            }

           

     }