contoh java else if ganjil genap

Ganjil Genap
import java.util.Scanner;
public class ganjil_genap {
    public static void main(String[   ] args) {
        Scanner s=new Scanner(System.in);
        System.out.printf("Input sebuah bilangan : ");
        int bilangan=s.nextInt();
        if (bilangan % 2 == 1) {
            System.out.printf(bilangan+" Adalah bilangan GANJIL ");
        }
        else
            System.out.printf(bilangan+" Adalah bilangan GENAP ");
    }
}

Lampu merah else if

public class lampu{
public static void main (String[]args){

int a = 4;

if(a == 1){
System.out.print("Merah");
}
else if(a == 2){
System.out.print("Kuning");
}
else if(a == 3){
System.out.print("Hijau");
}
else{
System.out.print("Not Valid");
}

}

}


Menghitung Keliling
import java.util.Scanner;

public class bacadata{
public static void main(String[] args){
double panjang, lebar, keliling;

// Buat objek Scanner

Scanner scan = new Scanner(System.in);

System.out.println("Menghitung kelling persegi panjang");

System.out.println("Panjang: ");
Scanner Panjang = new Scanner(System.in);
panjang = scan.nextDouble();

System.out.println("Lebar ");
Scanner Lebar = new Scanner(System.in);
lebar = scan.nextDouble();

keliling = 2 * (panjang + lebar);

System.out.println("Keliling = " + keliling);

//tutup objek berkelas Scanner
scan.close();

}



import java.Util.Scanner;
public class testif{
public static void main(String[]args){
System.out.print("Masukan nama anda : ");
Scanner nm = new Scanner(System.in);
String nm = "Yuda";
if(nm == "Yuda"){
System.out.print(nm);
}
else{
System.out.print("Nama bukan Yuda");
}
}
}

}