Code Block

  • C++
  • Java
  • Python
  • JavaScript
  • SQL
// C++ Program to Illustrate How to Access Array Elements 
#include <iostream> 
using namespace std; 

int main
{ 

	int arr[3]; 

	// Inserting elements in an array 
	arr[0] = 10; 
	arr[1] = 20; 
	arr[2] = 30; 

	// Accessing and printing elements of the array 
	cout << "arr[0]: " << arr[0] << endl; 
	cout << "arr[1]: " << arr[1] << endl; 
	cout << "arr[2]: " << arr[2] << endl; 

	return 0; 
}
// Java program to illustrate creating an array
// of integers, puts some values in the array,
// and prints each value to standard output.

class GFG {
	public static void main(String[] args)
	{
		// declares an Array of integers.
		int[] arr;

		// allocating memory for 5 integers.
		arr = new int[5];

		// initialize the first elements of the array
		arr[0] = 10;

		// initialize the second elements of the array
		arr[1] = 20;

		// so on...
		arr[2] = 30;
		arr[3] = 40;
		arr[4] = 50;

		// accessing the elements of the specified array
		for (int i = 0; i < arr.length; i++)
			System.out.println("Element at index " + i
							+ " : " + arr[i]);
import array as arr
a = arr.array('i', [1, 2, 3])
print("Array before insertion : ", end=" ")
for i in range(0, 3):
	print(a[i], end=" ")
print()
a.insert(1, 4)
print("Array after insertion : ", end=" ")
for i in (a):
	print(i, end=" ")
print()
b = arr.array('d', [2.5, 3.2, 3.3])
print("Array before insertion : ", end=" ")
for i in range(0, 3):
	print(b[i], end=" ")
print()
b.append(4.4)
print("Array after insertion : ", end=" ")
for i in (b):
	print(i, end=" ")
print()
// Initializing while declaring
let arr1 = new Array(3)
arr1[0] = 10
arr1[1] = 20
arr1[2] = 30
console.log("Array 1: ", arr1)

// Creates an array having elements 10, 20, 30, 40, 50
let arr2 = new Array(10, 20, 30, 40, 50);
console.log("Array 2: ", arr2)

// Creates an array of 5 undefined elements
let arr3 = new Array(5);
console.log("Array 3: ", arr3)

// Creates an array with one element
let arr4 = new Array("1BHK");
console.log("Array 4: ", arr4)
ble_name;