C# Programming Introduction to classes in C# First program in C# Constants in C# enum in C# for loop in C# foreach loop in C# while loop in C# do ... while loop in C# Array in C# Exception in C# Generating random numbers in C# Using Tuple in C# Basic string operations in C# Creating strings in C# Delegates in C# Dictionary wildcard search Permutations in C# Nth prime number in C# Integer factorization in C# Simple primality test in C# Integer square root algorithms Similar text in C# Delete Characters from strings in C# Count character occurrences in C# Arithmetic expression parser Merge sort Configuration files in C# Passing parameters with a single string Algorithm for calculating approximate values of pi