C# Sorting a jagged array of objects

Question

Using C#, I have a 2D Jagged array containing objects, what I want to achieve is to sort this Jagged array based on a public property within these objects I have created a sample below of my problem, I have limited experience with using LINQ, but I have attemped using it and have failed, I have also proceeded to create a swap method if needed.

Any insight would be much welcomed, thank you

    //[][] of Objects
    private MyObject[][] jaggedArray = new MyObject[3][]
    {
        new MyObject[5]
        {
            new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
        },
        new MyObject[5]
        {
            new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
        },

        new MyObject[5]
        {
            new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
        },
    };


    static void swap(ref MyObject a, ref MyObject b)
    {
        MyObject temp = a;
        a = b;
        b = temp;
    }

class MyObject
{
    public MyObject()
    { Value = rand.Next(100);    }
    public int Value{ get; set; }

    Random rand = new Random();
}

That was a mistake on my part, edited

Garry Freeman
– Garry Freeman

2017-04-09 12:53:25 +00:00
Commented Apr 9, 2017 at 12:53 — Garry Freeman
– Garry Freeman, Commented Apr 9, 2017 at 12:53

jdweng · Accepted Answer · 2017-04-09 13:02:00Z

1

Code below sorts in one dimension

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {

            new Test();
        }
    }
    public class Test
    {
        //[][] of Objects
        private MyObject[][] jaggedArray = new MyObject[3][]
        {
            new MyObject[5]
            {
                new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
            },
            new MyObject[5]
            {
                new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
            },

            new MyObject[5]
            {
                new MyObject(), new MyObject(), new MyObject(), new MyObject(), new MyObject(),
            },
        };

        public Test()
        {
            jaggedArray = jaggedArray.Select(x => x.OrderBy(y => y).ToArray()).ToArray();
        }
    }
    public class MyObject : IComparable<MyObject>
    {
        public MyObject()
        { 
            Value = rand.Next(100);    
        }
        public int Value{ get; set; }

        static Random rand = new Random();

        public int CompareTo(MyObject o)
        {

            return this.Value.CompareTo(o.Value);
        }
    }
}

answered Apr 9, 2017 at 13:02

jdweng

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1 Comment

Garry Freeman Over a year ago

Thank you, I was able to adapt IComparable<MyObject> along with the CompareTo method to solve my problem.

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