Question

How to combine two arrays without duplicate values in C#

Answer 1

using System;
using System.Linq;

class Program
{
    static void Main() {
        string[] a = { "c", "c++", "c#" };
		string[] b = { "java", "python", "php", "vb.net" };
 
		var arr = a.Union(b).ToArray();
		
		Array.ForEach(arr, s => Console.WriteLine(s));
    }
}




/*
run:
  
c
c++
c#
java
python
php
vb.net
  
*/

 

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Answer 2

using System;
using System.Linq;
 
class Program
{
    static void Main() {
        string[] arr1 = { "c#", "java", "python", "swift", "javascript" };
        string[] arr2 = { "c#", "java", "python", "php", "ada" };
   
        string[] arr = arr1.Union(arr2).ToArray();
   
        foreach (string s in arr) {           
            Console.WriteLine(s);
        }
    }
}
   
   
   
/*
run:
   
c#
java
python
swift
javascript
php
ada
   
*/

 

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