Loop # With Case

package javaapplication2;
import java.util.Scanner;
/**
 * Coded By : Stevanus Evo
 * NRP : 151-111-082
 * @author [email protected]
 */
public class JavaApplication2 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
       byte menu;
      int n;
      Scanner input = new Scanner(System.in);
      System.out.println("1. Datar ");
      System.out.println("2. Segitiga Siku Kiri ");
      System.out.println("3. Segitiga Siku Kanan ");
      System.out.println("4. Segitiga Siku Atas Kiri ");
      System.out.println("5. Segitiga Siku Atas Kanan ");
      System.out.print("Masukan Angka 1-5 = ");
      menu = input.nextByte();
      switch (menu){
         case 1 :
      System.out.print("Masukan Jumlah Pagar = ");
      n = input.nextInt();
      for (int i=1; i<=n; i++ ){
      for (int j=1; j<=n; j++){
      System.out.print("#");
      }
      System.out.println();
      }
         break;
         case 2 :
      System.out.print("Masukan Jumlah Pagar = ");
      n = input.nextInt();
      for (int i=1; i<=n; i++){
      for (int j=i; j<=n; j++){
      System.out.print("");
      }
      for (int j=1; j<=i; j++){
      System.out.print("#");
      }
      System.out.println();
      }
         break;
         case 3:
      System.out.print("Masukan Jumlah Pagar = ");
      n = input.nextInt();
      for (int i=1; i<=n; i++){
      for (int j=i; j<=n; j++){
      System.out.print(" ");
      }
      for (int j=1; j<=i; j++){
      System.out.print("#");
      }
      System.out.println();
      }
         break;
         case 4:
      System.out.print("Masukan Jumlah Pagar = ");
      n = input.nextInt();
      for (int i=1; i<=n; i++){
      for (int j=i; j<=n; j++){
      System.out.print("#");
      }
      System.out.println("");
      }
         break;
         case 5:
      System.out.print("Masukan Jumlah Pagar = ");
      n= input.nextInt();
      for (int i= 0; i<n; i++){
      for (int j = 0; j<=i; j++){
      System.out.print(" ");
      }
      for (int j= i; j<n; j++){
      System.out.print("#");
      }
      System.out.println("");
      }
          break;
             default : System.out.println("Invalid Number");
          break;
      }
    }
   }