Check out example codes for "array declaration c++". It will help you in understanding the concepts better.

Code Example 1

int foo [] = { 16, 2, 77, 40, 12071 };

Code Example 2

int baz [5] = { };

Code Example 3

#include <iostream>
using std::cout;

int a[] = { 1, 2, 3, 4, 5 };
int counta()
  {
  return sizeof( a ) / sizeof( a[ 0 ] );  // works, since a[] is an array
  }

int countb( int b[] )
  {
  return sizeof( b ) / sizeof( b[ 0 ] );  // fails, since b[] is a pointer
  }

Code Example 4

int foo [5];

Code Example 5

string cars[4] = {"Volvo", "BMW", "Ford", "Mazda"};

Learn ReactJs, React Native from akashmittal.com