int[] getIntBytesFromInt(int base) {
  int[] nums = new int[4];
  nums[0] = base & 0x000000FF;
  nums[1] = (base>>>8) & 0x000000FF;
  nums[2] = (base>>>16) & 0x000000FF;
  nums[3] = (base>>>24) & 0x000000FF;
  return nums;
}

int[] getIntBytesFromInt(int base) {
  int[] nums = new int[4];
  nums[0] = base & 0x0000000F;
  nums[1] = (base>>>8) & 0x0000000F;
  nums[2] = (base>>>16) & 0x0000000F;
  nums[3] = (base>>>24) & 0x0000000F;
  return nums;
}

in Java an int is 4 bytes (32 bits)

Convert int to int array of the byte data

Java