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C# | Two dimensional array with fixed row size and variable columns size

C# Example of two dimensional arrays: Here, we are going to learn how to declare, use and print a two dimensional array – where number of rows are fixed and number of columns are variable length?
Submitted by Pankaj Singh, on December 25, 2018

Here, the task is to declare a two dimensional array – where number rows are given and columns are variable length:

To declare such array, we use the following syntax:

    int[][] jag = new int[3][];

To assign rows values with variable length, we use following syntax:

    jag[0] = new int[] { 12, 34, 5, 6, 7 };
    jag[1] = new int[] { 15, 52 };
    jag[2] = new int[] { 1, 2, 3 };

Program:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Array3
{
    class Program
    {
        static void Main(string[] args)
        {
            int[][] jag = new int[3][];

            jag[0] = new int[] { 12, 34, 5, 6, 7 };
            jag[1] = new int[] { 15, 52 };
            jag[2] = new int[] { 1, 2, 3 };

            for(int i=0;i<3;i++)
            {
                for(int j=0;j<jag[i].Length;j++)
                {
                    Console.Write("{0}\t", jag[i][j]);
                }
                Console.WriteLine();
            }

            Console.ReadKey();
        }
    }
}

Output

12      34      5       6       7
15      52
1       2       3 




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