Arrays are similar to variables, but can hold more than one value. Concatenation is done through the + operator. Formats an object, you specify the formatting you wish to perform, the following formats an integer and displays the currency symbol.

A C# array variable is declared similarly to a non-array variable, with the addition of square brackets ([]) after the type specifier to denote it as an array. The new keyword is needed when instantiating a new array to assign to the variable, as well as …

Free C# Cheat Sheet (plus downloadable PDF) to learn and remember key syntax and concepts of C# programming. Data types, loops, methods, LINQ + more.

Formats a string via the {0} notation and by using other primitives. Removes all instances of specific characters from trailing and leading characters. Defaults to removing leading and trailing spaces. Removes the provided character and creates an …

Jan 30, 2025 · Array.BinarySearch(arrVal, obj); where obj is the object to be searched. Clear() Sets a range of elements in an array to the default value of each element type. Array.Clear(arrVal, 0, 2); If arrVal is an array of integers, the elements at position 0 to 2 will be set to zero after doing Clear(). Clone() Create a shallow copy of the Array.

The Array class in C# provides various properties and methods to work with arrays. The Array class implements the IEnumerable interface, so you can LINQ extension methods such as Max(), Min(), Sum(), Average() and many others.

Sep 1, 2017 · Arrays int[] array = new int[] {1, 2, 3} int[] array = {1, 2, 3} var array = new int[] {1, 2, 3} int[] array = new int[3] Statements if-else if (true) {...} else if (true) {...} else {...} switch switch (var) {case 1: break; default: break; } for for (int i =1; i < 5; i++) {...} foreach-in foreach (int item in array) {...} while while (true) {...}

This comprehensive C# cheat sheet serves as a quick reference guide for C# developers at all skill levels. It covers the core language features, modern patterns, and best practices as of 2025. The cheat sheet organizes fundamental concepts into more advanced topics,** making it useful for learning and reference.

Feb 18, 2023 · Classes have members, like Properties and Methods. Properties define the attributes that are set on an instance of the class / represent the "state" of the object. You can set (assign) and get (retrieve) properties values on an object. Methods define actions an instance of a class can perform, usually on the object instance itself.

program, understanding naming conventions, and handling various data types, to manipulating strings, working with arrays, and implementing conditionals and loops. Additionally, it offers practical tips on compiling and running code, and provides …