Arrays in C | C Arrays - C Programming Tutorial 67

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Notes for You:: Arrays in C.

What is an array?
- An array is a group of homogeneous data elements
- i.e. collection of similar type of data elements.

Note:
- Arrays follow 0 based indexing

Note:
- Each element in an array is going to have an index or a subscript,
- hence sometimes arrays are also called as indexed variables or subscripted variables.

Why do we need arrays?
- Assume if you want to store and process n different integer values, then without arrays you may need to create n different integer variables with n different names;
- whereas an integer array allows us to store and process n different integer values just by creating a single variable.

Note:
- Arrays allow us to group of similar type of data elements under a single variable name.

Example Code:
#include <stdio.h>
int main()
{

/*
int num1 = 10;
int num2 = 20;
int num3 = 30;
int num4 = 40;
int num5 = 50;

printf("%d\n",num1);
printf("%d\n",num2);
printf("%d\n",num3);
printf("%d\n",num4);
printf("%d\n",num5);
*/

int numbers[5] = {10,20,30,40,50};
int i=0;

for(i=0; i<5;i++)
{
printf("%d\n",numbers[i]);
}

return 0;
}

Note:
- replace < with less-than symbol.
- replace > with greater-than symbol.

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C Programming Tutorial 68 - Types of Arrays in C Programming Language

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C Programming Tutorial 66 - Print Pyramid Pattern of Numbers and Stars in C Programming

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