public static string FirstCharOfEachWordToUpper(string textInfo, string seprator)
{
var spString = textInfo.Split(" ");
var s1 = seprator == " " ? "_" : seprator == "_" ? " " : seprator;
var result = "";
foreach (var item in spString)
{
string firstLetterOfString = item.Substring(0, 1).ToUpper() + item.Substring(1);
if (item != spString[spString.Length - 1])
{
result += firstLetterOfString + s1;
}
else
{
result += firstLetterOfString;
}
}
return result;
}
https://ankitsharmablogs.com/csharp-coding-questions-for-technical-interviews/
In this link you will get following list of interview questions code
Q.1: How to reverse a string?
Q.2: How to find if the given string is a palindrome or not?
Q.3: How to reverse the order of words in a given string?
Q.4: How to reverse each word in a given string?
Q.5: How to count the occurrence of each character in a string?
Q.6: How to remove duplicate characters from a string?
Q.7: How to find all possible substring of a given string?
Q.8: How to perform Left circular rotation of an array?
Q.9: How to perform Right circular rotation of an array?
Q.10: How to find if a positive integer is a prime number or not?
Q.11: How to find the sum of digits of a positive integer?
Q.12: How to find second largest integer in an array using only one loop?
Q.13: How to find third largest integer in an array using only one loop?
public static char? FindMostOccuranceOfCharInString(string value)
{
char? maxOccuranceChar = null;
int maxOccuranceValue = 0;
if (string.IsNullOrWhiteSpace(value))
return null;
char[] arr = value.ToLower().Trim().ToCharArray();
Dictionary<char, int> _dic = new Dictionary<char, int>();
for (int i = 0; i < arr.Length; i++)
{
if (arr[i] != ' ')
{
if (!_dic.ContainsKey(arr[i]))
{ _dic.Add(arr[i], 1);}
else
{ _dic[arr[i]]++;
}}}
foreach (KeyValuePair<char, int> item in _dic)
{
if (item.Value > maxOccuranceValue)
{
maxOccuranceChar = item.Key;
maxOccuranceValue = item.Value;
} }
return maxOccuranceChar;
}
public bool IsPalindrome(string value)
{ bool result = true;
if (string.IsNullOrEmpty(value))
return false;
_title = value.ToLower().Trim();
var min = 0;
var max = _title.Length - 1;
while (max >= 0)
{ if (value[min] == value[max])
{ min++; max--; }
else { return false; } }
return result;
public string GetReverseString(string value)
{ string result = "";
if (string.IsNullOrEmpty(value))
return "";
for (int i = value.Length - 1; i >= 0; i--)
{ result += value[i];
} return result;
}
public static StringBuilder FindDuplicateChar(string value)
{ StringBuilder result = new StringBuilder();
StringBuilder duplicateChar = new StringBuilder();
foreach (var item in value)
{ if (result.ToString().IndexOf(item.ToString().ToLower()) == -1)
{ result.Append(item);}
else
{ duplicateChar.Append(item);}
}
// return duplicateChar; // Use for Duplicate
// return result ; // Use for unique
}
public class FindMajorityElementClass
static void findMajority(int[] arr)
{ int maxCount = 0; int index = 0;
int n = arr.Length;
for (int i = 0; i < n; i++) {
int count = 0;
for (int j = 0; j < n; j++) {
if (arr[i] == arr[j])
count++;
}
if (count > maxCount) {
maxCount = count;
index = i;
} }
if (maxCount > n / 2)
Console.WriteLine(arr[index]);
else
Console.WriteLine("No Majority Element");
}
static public void Main()
{ int[] arr = { 1, 1, 2, 1, 3, 5, 1 };
findMajority(arr); }}
int[] myArray = new int[] { 0, 1, 2, 3, 13, 8, 5 };
int largest = int.MinValue;
int second = int.MinValue;
foreach (int i in myArray)
{
if (i > largest)
{
second = largest;
largest = i;
}
else if (i > second)
second = i;
}
System.Console.WriteLine(second);
private static void FindSecondSmallest()
{
int[] elements = { 2, 5, 8, -5, -4, 0, 2, 10, 3, -3 };
int smallest = int.MaxValue;
int secondSmallest = int.MaxValue;
for (int i = 0; i < elements.Length; i++)
{
if (elements[i] == smallest)
{
secondSmallest = smallest;
}
else if (elements[i] < smallest)
{
secondSmallest = smallest;
smallest = elements[i];
}
else if (elements[i] < secondSmallest)
{
secondSmallest = elements[i];
}
}
Console.WriteLine(secondSmallest);
}
//Initialize array
int[] arr = new int[] {1,5,7,3,4, 9, 11, 15, 17, 1, 2, 3, 4, 2, 7, 8, 8, 3 };
Console.WriteLine("Duplicate elements in given array: ");
//Searches for duplicate element
for (int i = 0; i < arr.Length; i++)
{
for (int j = i + 1; j < arr.Length; j++)
{
if (arr[i] == arr[j])
{
Console.WriteLine("Array of i "+ arr[i]);
Console.WriteLine("Array of J "+arr[j]);
}
}
}
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading;
int i = 0;
do
{
i++;
Bitmap bitmap = new Bitmap(1920, 1080);
Graphics graphics = Graphics.FromImage(bitmap as Image);
graphics.CopyFromScreen(0, 0, 0, 0, bitmap.Size);
Random rnd = new Random();
int rndNumber = rnd.Next(1, 10000);
//var n1 = i + rndNumber;
var ImgName = $"{i}_{rndNumber}_test";
bitmap.Save($"E:\\FreeSoftwareTraining\\ScreenImg\\{ImgName}.jpeg", ImageFormat.Jpeg);
Thread.Sleep(30000);
}
while (true);
