Pemrograman Berorientasi Obyek:Praktek Fungsi Percabangan IF dan ELSE di Java

Fungsi IF

<syntaxhighlight lang="java" line="1"> import java.util.Scanner; public class Hadiah {

   public static void main(String[] args) {
       int belanja = 0;
       Scanner scan = new Scanner(System.in);

       System.out.print("Total Belanja: Rp. ");
       belanja = scan.nextInt();

       if (belanja > 100000) {
           System.out.println("Selamat, Anda mendapatkan Hadiah!");
       }

       System.out.println("Terima kasih...");
   }

} </syntaxhighlight>

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Fungsi IF ...ELSE...

<syntaxhighlight lang="java" line="1"> import java.util.Scanner; public class CekLulus {

   public static void main(String[] args) {
       int nilai;
       String nama;
       Scanner scan = new Scanner(System.in);

       System.out.print("Nama: ");
       nama = scan.nextLine();
       System.out.print("Nilai: ");
       nilai = scan.nextInt();

       if(nilai >= 70) {
           System.out.println("Selamat " + nama + ", anda lulus!");
       } else {
           System.out.println("Maaf " + nama + ", anda gagal");
       }
   }

} </syntaxhighlight>

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Fungsi IF…ELSE IF….

<syntaxhighlight lang="java" line="1"> import java.util.Scanner; public class HitungGrade {

   public static void main(String[] args) {
       int nilai;
       String grade;
       Scanner scan = new Scanner(System.in);

       System.out.print("Inputkan nilai: ");
       nilai = scan.nextInt();

       if (nilai >= 90) {
           grade = "A";
       } else if (nilai >= 80) {
           grade = "B+";
       } else if (nilai >= 70) {
           grade = "B";
       } else if (nilai >= 60) {
           grade = "C+";
       } else if (nilai >= 50) {
           grade = "C";
       } else if (nilai >= 40) {
           grade = "D";
       } else {
           grade = "E";
       }

       System.out.println("Grade: " + grade);
   }

} </syntaxhighlight>

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