long[] a = new long[10];
long[][] a = new long[10][];
long[][]...[] a = new long[10][]...[];

int[][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][]
   [][][][][][][][][][][][][][][][] array;

error: array type has too many dimensions
[][][][][][][][][][][][][][][][] array;
                                 ^

int[] array = new int [Integer.MAX_VALUE - 5];

public class SuperLongArray {

   private static int MASK = Integer.MAX_VALUE - 5;

   int[] left = new int [Integer.MAX_VALUE - 5];
   int[] right = new int [Integer.MAX_VALUE - 5];

   public int put(long address, int value) {

      if(address & MASK > 0) {//если значение указателя больше чем максимальное значение, то мы записывает его в левый массив
         int pointer = address - MASK;
         left[address] = value;
      } else {
         right[address] = value;
      }
   }

   public int get(long address) {

      if(address & MASK > 0) {
         int pointer = address - MASK;
         return left[address];
      } else {
         return right[address];
      }
   }
}