public override bool Equals(Object obj)
{
//Check for null and compare run-time types.
if ((obj == null) || !this.GetType().Equals(obj.GetType()))
{
return(false);
}
else
{
RTEmployee p = (RTEmployee)obj;
return((Id == p.Id) && (Name == p.Name) && (Address == p.Address));
}
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
#region "Object Comparison"
RTEmployee objRTEmployee = new RTEmployee();
objRTEmployee.Id = 200;
objRTEmployee.Name = "Rajendra";
objRTEmployee.Address = "Pune";
RTEmployee objRTRetiredEmployee = new RTEmployee();
objRTRetiredEmployee.Id = 200;
objRTRetiredEmployee.Name = "Rajendra";
objRTRetiredEmployee.Address = "Pune";
if (objRTEmployee.Equals(objRTRetiredEmployee))
{
if (Object.Equals(objRTEmployee, objRTRetiredEmployee))
{
// It Works
}
// It Works
}
if (((object)objRTEmployee).Equals((object)objRTRetiredEmployee))
{
// It Works
}
RTEmployee objRTOldEmployee = new RTEmployee();
objRTOldEmployee.Id = 200;
objRTOldEmployee.Name = "Rajendra";
objRTOldEmployee.Address = "Pune MH";
if (objRTEmployee.Equals(objRTOldEmployee))
{
// It Fails
}
if (((object)objRTEmployee).Equals((object)objRTOldEmployee))
{
// It Fails
}
if (objRTEmployee.Name.GetHashCode() == objRTOldEmployee.Name.GetHashCode())
{
Console.WriteLine(objRTEmployee.Name.GetHashCode() + "---" + objRTOldEmployee.Name.GetHashCode());
// It Works -1309867900----1309867900
}
#endregion
#region "Dictionary"
Dictionary <RTEmployee, string> complexColl = new Dictionary <RTEmployee, string>();
complexColl.Add(objRTEmployee, "Pune");
complexColl.Add(objRTOldEmployee, "Mumbai");
// Get and display keys
Dictionary <RTEmployee, string> .KeyCollection keys = complexColl.Keys;
foreach (RTEmployee key in keys)
{
Console.WriteLine("Key: {0}", key.Name);
}
// Get and display keys
Dictionary <RTEmployee, string> .ValueCollection values = complexColl.Values;
foreach (string v in values)
{
Console.WriteLine("values : {0}", v);
}
var res = complexColl[new RTEmployee {
Name = "Rajendra", Address = "Pune MH", Id = 200
}];
#endregion
#region "Combine two arrays without duplicate values in C#"
int[] itemsOne = { 2, 3, 5, 3, 7, 5 };
var resone = itemsOne.Distinct <int>();
int[] itemsTwo = { 2, 3, 5, 3, 7, 5, 8, 9 };
var allNums = itemsOne.Union(itemsTwo).ToArray();
string[] animals = { "Joy", "Amol", "Joy", "Praveen", "Vinod", "Amol" };
string[] birds = { "Hyderbad", "Kolkata", "Chennai", "Hyderbad", "Delhi" };
var all = animals.Union(birds).ToArray();
string wordOne = "Rajendra";
string wordTwo = "Taradale";
var uniqueword = wordOne.ToCharArray().Union(wordTwo.ToCharArray()).ToArray();
#endregion
#region "Thread Safe Concurrent Collection in C#"
// .Net 4 Multiple threads can safely and efficiently add or remove items from these collections, without requiring additional synchronization in user code
//ConcurrentStack<T>
//ConcurrentQueue<T>
//BlockingCollection<T>
//ConcurrentBag<T>
//ConcurrentDictionary<TKey, T>
#endregion
#region "String is a palindrome without in built functions"
var isPal = CheckPalindromeString("madam");
var isNotPal = CheckPalindromeString("madams");
var name = "madam";
bool result = Enumerable.Range(0, name.Length).All(i => name[i] == name[name.Length - 1 - i]);
bool isPalindrome = name.SequenceEqual(name.Reverse());
char[] nameArray = name.ToCharArray();
Array.Reverse(nameArray);
string reverse = new string(nameArray);
if (name.Equals(reverse, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"{name} is Palindrome");
}
#endregion
#region "Count the occurrence of each character in a string input"
Countcharacter("Rajendra");
#endregion
#region "Remove duplicate characters from a string input"
removeduplicate("Rajendra");
#endregion
#region "Find all possible substring of a given string input"
findallsubstring("Rajendra");
#endregion
#region "Find the sum of digits of a positive integer"
SumOfDigits(253);
#endregion
#region "Find second largest integer in an array using only one loop"
int[] arr = new int[] { 102, 103, 104, 105, 106 };
FindSecondLargeInArray(arr);
#endregion
}