Jagged Arrays In C#

A Jagged array is an array of arrays.

Jagged Arrays in C#

In this post, we will learn about Jagged Arrays in C# with an example.

Description

A Jagged array is an array of arrays. Jagged Array is also called “array of arrays” because its elements are arrays. The element size of a jagged array can be different. 

Types of Arrays in C#

Arrays can be divided into the following three categories.

• Single-dimensional arrays
• Multidimensional arrays or rectangular arrays
• Jagged arrays

Declaration of Jagged Array

Declare jagged array that has two elements.

1. int[][] _RollNumber = new int[2][];

Initialization of Jagged Array

Write the below lines to initialize a Jagged Array. The size of the elements can be different.

_RollNumber[0] = new int[2];
_RollNumberr[1] = new int[3];

Now, create a Console Application in Visual Studio and write the below lines of code in it.

using System;
using System.Collections;
using System.Collections.Generic;
namespace ConsoleDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            // Jagged Array Example
            int[][] _JaggedArrayExample = new int[2][];// Declare jagged array
            _JaggedArrayExample[0] = new int[] { 11, 21, 31, 41 };// Initialize the array with value
            _JaggedArrayExample[1] = new int[] { 42, 52, 62, 72, 83, 93 };
            // Raed and print array elements
            for (int i = 0; i < __JaggedArrayExample.Length; i++)
            {
                for (int j = 0; j < __JaggedArrayExample[i].Length; j++)
                {
                    System.Console.Write(__JaggedArrayExample[i][j] + " ");
                }
                System.Console.WriteLine();
            }
            Console.ReadKey();
        }
    }
}

Output

11 21 31 41
42 52 62 72 83 93

Summary

I hope you understood Jagged Arrays in C#. Your valuable questions, feedback, or comments about this article are always welcome.