C# Arrays, Structures and Strings

• Displaying Numbers in Reverse Order in C#

  This exercise focuses on working with arrays in C#. The program will prompt the user to enter 5 numbers, which will be stored in an array. Once all the numbers have been entered, t...

• Checking if a Value Exists in a Previously Entered List in C#

  This exercise involves creating and searching within a list of floating-point numbers in C#. The program will first ask the user how many numbers they want to enter and store them ...

• Displaying Even Numbers from a List of 10 Integers in C#

  This exercise focuses on working with arrays and conditionals in C#. The program will prompt the user to enter 10 integer numbers, store them in an array, and then display only the...

• Calculating the Average of Positive and Negative Numbers in C#

  This exercise focuses on working with arrays, loops, and conditional statements in C#. The program will ask the user to enter 10 real numbers (floating-point), store them in an arr...

• Summing Numbers Until 'End' is Entered in C#

  In this exercise, you will practice handling user input, loops, and conditionals in C#. The program will continuously ask the user to enter numbers until they type "end". After eac...

• Calculating the Average Marks of Two Groups in C#

  This exercise focuses on working with two-dimensional arrays in C#. The program will ask the user to enter the marks of 20 pupils, divided into two groups of 10 students each. Afte...

• Statistical Data Management Program in C#

  This exercise focuses on creating a statistical program in C# that allows users to manage numerical data dynamically. The program provides a menu with different options: adding new...

• Struct for Storing 2D Points with RGB Color in C#

  This exercise focuses on using C# structures (structs) to define and manage 2D points with associated RGB color values. Each point will have x and y coordinates (short) and three c...

• Storing Multiple 2D Points Using an Array of Structs in C#

  This exercise builds upon the previous struct-based 2D point storage by extending it to handle up to 1,000 points. A struct named `Point2D` will be used to store the x and y coordi...

• Managing a List of 2D Points with a Menu in C#

  This exercise expands the previous one, where an array of `Point2D` structs was used to store multiple points with x and y coordinates and RGB color values. Now, the program will p...

• Managing a Small Book Database in C#

  This exercise involves creating a small database to store information about books, such as the title and the author. The program will be able to store up to 1,000 books, and the us...

• Displaying a Triangle with User Name in C#

  In this exercise, the program will ask the user for their name and display a triangle pattern with the name. The triangle will start with the first letter of the name and will grad...

• Displaying a Hollow Rectangle with User Name in C#

  In this exercise, the program will ask the user for their name and a size, and then display a hollow rectangle using the provided name. The rectangle will have the user’s name as i...

• Displaying a Centered Triangle from User String in C#

  In this exercise, the program will ask the user to input a string, and then display a centered triangle with each line progressively displaying one more character from the string. ...

• City Database Management System in C#

  This program will allow you to manage a database of cities. You can store the city names and their population (up to 500 cities). The program will include a menu that provides seve...

• Imitating the Unix SysV Banner Utility in C#

  This program imitates the basic Unix SysV "banner" utility. The program will take a string input from the user and display it in large ASCII characters, similar to the "banner" com...

• Display Right-Aligned Triangle from a String in C#

  This C# program takes an input string from the user and displays it in the form of a right-aligned triangle. The triangle starts with a single character from the input string and p...

• String Manipulation in C# 'Replace, Display Initials, and Modify Case'

  This C# program performs several operations on a string input by the user. First, it replaces all lowercase "a"s by uppercase "A"s, unless they are preceded by a space. Then, it ex...

• C# Structs for Storing Personal Information

  This C# program demonstrates the use of structs to store personal information. The first struct stores the name and date of birth of a person, where the date of birth is represente...

• Sorting 10 Integer Numbers in C#

  This C# program asks the user to input 10 integer numbers, each ranging from -1000 to 1000. After collecting all the numbers, the program sorts them in ascending order and then dis...

• Randomly Placing Characters in a 2D Array in C#

  This C# program declares a 70x20 two-dimensional array of characters and randomly places 80 "X" characters in various positions within the array. After the random placement, it dis...

• Drawing a Circumference in a 2D Array in C#

  In this C# program, we declare a 70x20 two-dimensional array of characters and "draw" a circumference with a radius of 8 inside it. The program calculates the points that make up t...

• Managing Computer Program Records in C#

  In this C# program, we will create a system to store and manage up to 1000 records of computer programs. Each program will have the following attributes: Name, Category, Descriptio...

• Managing To-Do Tasks in C#

  This C# program helps to manage a list of to-do tasks by storing up to 2000 tasks. For each task, the program keeps track of the date (day, month, year), a description of the task,...

• Domestic Accounting System in C#

  This C# program is designed to manage expenses and revenues for a small domestic accounting system. The program allows the user to store up to 10,000 records for expenses and reven...

More C# Practice Exercises Grouped

• Getting Started with C# Programming

  Starting your journey with C# programming opens the door to a wide range of possibilities in software development. In this section, you'll learn the foundational concepts of C#—fro...

• C# Flow Control Basics

  Mastering flow control is essential to writing efficient and dynamic programs in C#. This section covers the key structures that guide the flow of execution in your applications, s...

• C# Basic Data Types Overview

  Understanding the basic data types in C# is crucial for building strong, efficient applications. This section introduces the fundamental building blocks of C# programming, includin...

• Functions in C#

  Functions are the building blocks of reusable code in C#. In this section, you'll learn how to define and use functions to organize your code, improve readability, and avoid repeti...

• Object-Oriented Programming in C#

  Object-Oriented Programming (OOP) is a core concept in C# that allows you to model real-world problems efficiently. In this section, you'll dive into the principles of OOP, includi...

• Advanced Classes in C#

  Advanced classes in C# go beyond basic object-oriented concepts, allowing you to create more complex and powerful structures. This section covers topics such as inheritance, interf...

• File Handling in C#

  File handling in C# allows you to read, write, and manipulate data stored in files. In this section, you'll learn how to work with different types of files, such as text files, bi...

• Object Persistence in C#

  Object persistence in C# refers to the ability to store and retrieve objects from permanent storage, such as databases or files. In this section, you'll learn how to use techniques...

• Working with Relational Databases in C#

  Working with relational databases in C# enables you to store, retrieve, and manipulate structured data efficiently. In this section, you'll explore how to connect to a relational ...

• Dynamic Memory Management in C#

  Dynamic memory management in C# allows you to allocate, use, and release memory during runtime, optimizing resource usage and performance. In this section, you'll explore how to w...

• Using Additional Libraries in C#

  Using additional libraries in C# allows you to extend the functionality of your applications and leverage pre-built solutions to solve common problems. In this section, you'll lear...

Maybe you will be interested in these C# Practice Exercises

• Simple C# Program with Functions

  This C# program demonstrates the use of functions by defining two simple methods: SayHello and SayGoodbye. The Main method calls these functions sequentially to display a greeting ...

• C# Program with Functions Accepting Parameters

  This C# program demonstrates the use of functions that accept parameters. The program defines two functions: SayHello and SayGoodbye. The SayHello function accepts a string paramet...

• C# Program with a Function to Sum Two Numbers

  This C# program defines a function called Sum that accepts two integer parameters, adds them together, and returns the result. The Main method initializes two integer variables (x ...

• C# Program to Count Spaces in a String

  This C# program defines a function called CountSpaces that accepts a string as a parameter and returns the number of spaces in that string. The Main method calls this function with...

• C# Program to Write Centered Text

  This C# program defines a function called WriteCentered that takes a string as a parameter and writes it centered on the screen, assuming a screen width of 80 characters. The progr...

• C# Program to Write Centered and Underlined Text

  This C# program defines a function called WriteUnderlined that takes a string as a parameter and writes it centered on the screen, assuming a screen width of 80 characters. After d...