public class ClassNameHere
{
   public static void main(String[] args)
   {
      int[] x = new int[100];
      int[] y = x;

      x[3] = 15;
      y[6] = 44;
      x[88] = 55;

      for (int i = 0; i < x.length; ++i)
      {
         x[i] = x.length - i; // fill the array with descending numbers
      }

   }
}



public class ClassNameHere
{
   public static void main(String[] args)
   {
         int[] arr1 = new int[10];
      double[] arr2 = new double[10];
      String[] arr3 = new String[10];

      String str = "hello";

      arr3[5] = "hello";

      System.out.println( arr1[5] );
      System.out.println( arr2[5] );
      System.out.println( arr3[5].length() );  // ok
      System.out.println( arr3[6].length() );  // error
   }
}