nomor 2 pertemuan 2

package Pertemuan2;
import java.util.Scanner;
public class nomor2{
  public static void main(String[] args) {
       Scanner input = new Scanner (System.in);
       int banyak,a;
       int temptall;
       System.out.print("Masukkan banyak data yang akan diinput: ");
       banyak = input.nextInt();
       String nama[]= new String[banyak];
       int tall[] = new int [banyak];
       for(;;){
            System.out.println(">_     Main menu     _<");
            System.out.println("Silakan pilih yang diinginkan");
            System.out.println("1. Masukkan data murid ");
            System.out.println("2. Tampilkan data urut berdasarkan Tinggi");
            System.out.println("3. Exit");
            System.out.print("Pilihan anda: ");
            a = input.nextInt();
        switch(a){
         case 1: System.out.println("Masukkan data Murid (Tinggi dan Nama) ");
                for (int x = 0;x<banyak;x++){
                       System.out.print("Tinggi Murid " +(x+1)+" : ");
                       tall[x]=input.nextInt();
                       System.out.print("Nama Murid "+(x+1)+" : ");
                       nama[x]=input.next();
                       System.out.println("     ");
                       }
                break;
         case 2:    for ( int i = 0; i<banyak;i++){
                        for( int j = i+1; j<banyak; j++){
                            if ( tall [i]<tall [j]){
                            temptall = tall[i];
                            tall [i]= tall [j];
                            tall[j] = temptall;
                         }
                     }
                }
                for (int y = 0; y<banyak; y++){
                    System.out.println((y+1)+". "+tall[y]+" " +nama[y]);
                    System.out.println("    ");
                }
                break;
         case 3: System.exit(0);
         default:
         System.out.println("Terimakasih");
        }
    }
 }
}