Menentukan Bilangan Genap dan Ganjil

import java.util.Random;

public class ProgRandom
{

public static void main(String [] args)
{ int j1,j2,x;

j1=j2=0; // memberikan nilai awal j1 dan j2 dengan nilai 0(nol)
Random bilAcak = new Random();
System.out.println("-----------------------------------------");
System.out.println("| No\t|\tGenap\t|\tGanjil\t|");
System.out.println("-----------------------------------------");
for(int i = 1; i <= 20;i++) //looping

{ x = bilAcak.nextInt(50); // untuk menghasilkan nilai acak dari 0 s.d. 49 (ada 50)
if (x % 2 ==1)
{ j1 += x;
System.out.println("| "+i+".\t|\t\t|\t"+x+"\t|");}
else
{j2 += x;
System.out.println("| "+i+".\t|\t"+x+"\t|\t\t|");}
}

System.out.println("-----------------------------------------");
System.out.println("| Hasil\t|\t"+j2+"\t|\t"+j1+"\t|");
System.out.println("-----------------------------------------");
System.out.println("Jumlah(Genap= "+j2+")+(Ganjil= "+j1+")= "+j3);
System.out.println("-----------------------------------------");

}
}