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Sebelum pulang mau posting sedikit tentang Struktur Control di Java, yang sudah di jelaskan pada materi JENI. Berikut cuplikan programnya.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import javax.swing.JOptionPane;

public class Bab6 {

    public static void tugas6_1(){

        BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
        String n1="";
        String n2="";
        String n3="";

        try {
            System.out.print("Enter Value 1 : ");
            n1 = dataIn.readLine();
            int x = Integer.parseInt(n1);

            System.out.print("Enter Value 2 : ");
            n2 = dataIn.readLine();
            int y = Integer.parseInt(n2);

            System.out.print("Enter Value 3 : ");
            n3 = dataIn.readLine();
            int z = Integer.parseInt(n3);

            int hasil = x+y+z;

            if(hasil >= 60){
                System.out.println(" Good Job  ");
            }else{
                System.out.println(" Sorry ");
            }

        }catch(IOException e){
            System.out.println("An Error Occurred");
        }

    }

    public static void tugas6_2(){

        String n1,n2,n3;

            n1 = JOptionPane.showInputDialog("Enter Your Value 1");
            int x = Integer.parseInt(n1);
            n2 = JOptionPane.showInputDialog("Enter Your Value 2");
            int y = Integer.parseInt(n2);
            n3 = JOptionPane.showInputDialog("Enter Your Value 3");
            int z = Integer.parseInt(n3);

            int hasil = x+y+z;

            String msg1 = "Result is "+hasil+" Good Job ";
            String msg2 = "Result is "+hasil+" Sorry ";
            if(hasil >= 60){
                JOptionPane.showMessageDialog(null, msg1);
            }else{
                JOptionPane.showMessageDialog(null, msg2);
            }

    }

    public static void tugas6_3(){

        BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
        String n1="";

        try {
            System.out.print("Enter Value 1-10 : ");
            n1 = dataIn.readLine();
            int x = Integer.parseInt(n1);

            if((x >= 1) && (x <=10)){

                switch(x) {
                    case 1:
                    System.out.println("SATU");
                    break;
                    case 2:
                    System.out.println("DUA");
                    break;
                    case 3:
                    System.out.println("TIGA");
                    break;
                    case 4:
                    System.out.println("EMPAT");
                    break;
                    case 5:
                    System.out.println("LIMA");
                    break;
                    case 6:
                    System.out.println("ENAM");
                    break;
                    case 7:
                    System.out.println("TUJUH");
                    break;
                    case 8:
                    System.out.println("DELAPAN");
                    break;
                    case 9:
                    System.out.println("SEMBILAN");
                    break;
                    case 10:
                    System.out.println("SEPULUH");
                    break;
                    default:
                    System.out.println("Unknown Number");
                }

            }else{
                System.out.println("Invalid Number ");
            }

        }catch(IOException e){
            System.out.println("An Error Occurred");
        }

    }

    public static void tugas6_4(){
        int x = 1, y = 0;

        while(x<=100){
            System.out.println("Muhammad Rizki (WD)"+x);
            x++;
        }

        do {
            System.out.println("Muhammad Rizki (DW) "+y);
            y++;
        }
        while(y<=100);

        for(int z=1; z<=100; z++){
            System.out.println("Muhammad Rizki (FL) "+z);
        }

    }

}

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