Arrays In C

Arrays are referred to as standardized forms of knowledge in C language. Array in C is defined as a finite ordered series of homogeneous records, saved at contiguous locations of memory.

Here are the terms,

• Finite implies the range of the statistics must be specified.
• Ordered means records must be stored in continuous addresses of the memory.
• Homogeneous means information has to be of a specific type of information.

Why we want Array in C Programming?

Consider a situation array in c programming in which you need to find out the common of one hundred integer numbers entered by way of the user. In C, you have two approaches to do this:

1) Define 100 variables with int data kind and then perform one hundred scanf() operations to save the entered values inside the variables and then, at last, calculate the common of them.

2) Have an unmarried integer array to shop all the values, loop the array to store all of the entered values in an array, and later calculate the common.

Which answer is better consistent with you? Obviously the second solution, it's far handy to shop the same information kinds in one single variable and later get admission to them the use of an array index.

Declaration of C Array

We can declare an array inside the c language in the following way.

Data_type array_name[array_size];

Now, allow us to see the instance to declare the array.

Int marks[5];

Here, the data type is int, the array name is the mark and the array size is five.

Advantage of C Array

•  Code Optimization: Less code to get right of entry to the data.

•  Ease of traversing: By the use of the for loop, we are able to retrieve the elements of an array easily.

•  Ease of sorting: To sort the factors of the array, we need some strains of code only.

•  Random Access: We can get entry to any detail randomly using the array.

The disadvantage of C Array

Fixed Size: Whatever size, we define at the time of the announcement of the array, we will exceed the limit. So, it doesn't grow the size dynamically like LinkedList which we will learn later.

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