Find the largest and second largest element in an array

Given an array which includes integer elements. Our goal is to find the largest and 2nd largest element which are present in given array. For example.

Example A
arr1[] = {10 , 3 , 23 , 86 , 8 , 9 , 44 , 5 , 7}
                        ⇧            ⇧
--------------------
First Largest   : 86
Second Largest  : 44

Example B
arr2[] = {10 , 3 , 11 , 16 , 8 , 16 , 5 , 9 , 7}
                        ⇧         ⇧
--------------------
First Largest   : 16
Second Largest  : 16

Example C
arr3[] = { 10 }
--------------------
None
(Because less than 2 element)

Here given code implementation process.

1) Find the largest and second largest element of array in java 2) Find the largest and second largest element of array in c++ 3) Find the largest and second largest element of array in c# 4) Find the largest and second largest element of array in c 5) Find the largest and second largest element of array in vb.net 6) Find the largest and second largest element in an array in node js 7) Find the largest and second largest element of array in scala 8) Find the largest and second largest element of array in swift 9) Find the largest and second largest element of array in kotlin 10) Find the largest and second largest element in an list in python 11) Find the largest and second largest element in an array in ruby 12) Find the largest and second largest element in an array in golang 13) Find the largest and second largest element of array in typescript 14) Find the largest and second largest element of array in php