Why array is used in c

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Web Technology. The following example Shows how to use all the three above mentioned concepts viz. Arrays are important to C and should need a lot more attention. C supports multidimensional arrays. The simplest form of the multidimensional array is the two-dimensional array. You can pass to the function a pointer to an array by specifying the array's name without an index. You can generate a pointer to the first element of an array by simply specifying the array name, without any index.

C - Arrays Advertisements. Previous Page. Access Array Elements You can access elements of an array by indices. Declare an Array Few keynotes : Arrays have 0 as the first index, not 1. In this example, mark[0] is the first element.

If the size of an array is n , to access the last element, the n-1 index is used. In this example, mark[4] Suppose the starting address of mark[0] is d. Then, the address of the mark[1] will be d. Similarly, the address of mark[2] will be d and so on. This is because the size of a float is 4 bytes. How to initialize an array? It is possible to initialize an array during declaration. Previous Tutorial:. Next Tutorial:. Share on:. Did you find this article helpful?

It can be said as zero-length arrays are pointers whose contents are in line with themselves. These can be defined as an array of arrays. Data that is present in a tabular format like 1D, 2D, etc. The total number of elements can be stored in the multi-dimensional array and can be calculated by multiplying the size of all dimensions.

Hence arrays are more efficient and beneficial when compared to linked lists and hash tables. They are faster and can be utilized anywhere. They store data of similar data types together and can be used anywhere in the code. Hence they are more efficient when it comes to memory allocations and are most advisable to be used in all modern languages.

This has been a guide to the Advantages of Array. Here we have discussed the basic concept and top 10 advantages of Array in detail. You can also look at the following article to learn more —.

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