public class Arrays {
  public static void main(String arg[]) {
    int a[] = new int[30];
    int b[] = new int[30];
    int n;
    
    for ( n = 0; n < a.length; n = n + 1) {
      a[n] = (int)(Math.random() * 20);
    }
    
    // Übung hier einfügen
    for ( n = 0; n < a.length; n = n + 1) {
      b[n] = a[n];
    }
    //
    
    System.out.print("A: " + printArray(a) + "\n");
    System.out.print("B: " + printArray(b) + "\n");
    // System.out.print( printArray( new int[10] ) );
  }

  public static String printArray( int p[] ) {
    int n; String r = "";
    for (n = 0; n < p.length; n = n + 1) {
      r = r + p[n] + ", ";
    }
    return r;
  }
}