class CopiaArreglo {
  public static void main(String [] args) {
     double [] arr1; double [] arr2;
     arr1= new double[5];
     int inicio = 2;
     for (int i=0;i<arr1.length;i++) {
       arr1[i] = inicio << i;
       System.out.print(arr1[i]+" ");
     }
     arr2= new double[arr1.length];
    for (int i=0;i<arr1.length;i++)
        arr2[i]=arr1[i];
    System.out.println(arr1+" "+arr2+" "+
       (arr1==arr2)+" "+ (arr1!=arr2));
     arr1= arr2;
    System.out.println(arr1+" "+arr2+" "+
        (arr1==arr2)+" "+(arr1!=arr2));
  }

}