Return "true" if array's are equal when compare two array. - CSharp System

CSharp examples for System:Array Equal

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Description

Return "true" if array's are equal when compare two array.

Demo Code

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*/
using System.Text;
using System.Collections.Generic;
using System;

public class Main{
        /// <summary>
        /// Return "true" if array's are equal when compare two array. 
        /// </summary>
        /// <typeparam name="T">Type of the object implementing.</typeparam>
        /// <param name="a1">First array.</param>
        /// <param name="a2">Second array.</param>
        /// <returns>Return "true" if array's are equal.</returns>
        public static bool ArraysEqual<T>(T[] a1, T[] a2)
        {
            Array.Sort(a1);
            Array.Sort(a2);
            if (ReferenceEquals(a1, a2))
                return true;

            if (a1 == null || a2 == null)
                return false;

            if (a1.Length != a2.Length)
                return false;

            EqualityComparer<T> comparer = EqualityComparer<T>.Default;
            for (int i = 0; i < a1.Length; i++)
            {
                if (!comparer.Equals(a1[i], a2[i])) return false;
            }
            return true;
        }
}

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