C# Basics

C# Basics

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1. Getting Started

In this section we will get an introduction to C#. Moreover, we will also learn some basic elements of the C# language.

Displaying Output

Challenge: Outputting a Triangle

Challenge: Comments

Challenge: Variable Declaration

Basic Operators & Expressions

Challenge: Operators

2. Dealing with Data Types

In any programming language we have to deal with different types of data. In this section we will learn about that.

Integer Data Types

Declaring Explicitly Typed Variables

Floating-Point and Double

Strings Challenge

Basic String Formatting

String Formatting Practice

Declaring Constants

Basic Type Casting

Type Casting Practice

Basic Type Conversion

Basic Coding Practice

3. Control Structures

In this section we will learn about features of C# that help us control the flow of the program such as executing pieces of code based on conditions.

Comparison Operators

Logical Operators

Operators Challenge

Order of Operations

if-condition Challenge

else Keyword Practice

Task (if, else-if, else)

switch Statement

Practicing Switch

4. Loops

In this section we will learn about how to deal with repetitive tasks in programming.

Practicing For Loop

Practicing Do-While Loop

break statement

continue statement

Practicing break and continue

5. Arrays

Arrays are an important part of any programming language as they let us group together and manipulate a large amount of similar data. In this section we will learn about Arrays and how to use them for practical applications.

What are Arrays?

Practicing Array Declaration

Indexing Practice

Multi-Dimensional Arrays

Practicing Multi-Dimensional Arrays

Looping through Arrays

Array Loops Challenge

6. Methods

In this section we will learn about one of of the most widely used and essential features of C# called Methods. We will also explore its uses through creative practice tasks.

What are Methods?

Creating and Calling Methods

Methods Creation Practice

Method Parameters

Practicing Method with Parameters

Method Return Values

Practicing Return Values

Local & Global Scopes

Practicing Scopes

Зміст курсу

C# Basics

C# Basics

1. Getting Started

Why C#?C# Syntax Displaying Output Challenge: Outputting a Triangle Comments Challenge: Comments Variables Identifiers Challenge: Variable Declaration Basic Operators & Expressions Challenge: Operators

2. Dealing with Data Types

Integer Data Types Declaring Explicitly Typed Variables Floating-Point and Double Booleans Character String Strings Challenge Basic String Formatting String Formatting Practice Declaring Constants Basic Type Casting Type Casting Practice Basic Type Conversion Basic Coding Practice

3. Control Structures

Comparison Operators Logical Operators Operators Challenge Order of Operations if statement if-condition Challenge else Keyword else Keyword Practice if-else Chain Task (if, else-if, else)switch Statement Practicing Switch

4. Loops

For Loop Practicing For Loop While Loop Do-While Loop Practicing Do-While Loop break statement continue statement Practicing break and continue

5. Arrays

What are Arrays?Practicing Array Declaration Indexing Indexing Practice Multi-Dimensional Arrays Practicing Multi-Dimensional Arrays Looping through Arrays Array Loops Challenge

6. Methods

What are Methods?Creating and Calling Methods Methods Creation Practice Method Parameters Practicing Method with Parameters Method Return Values Practicing Return Values Local & Global Scopes Practicing Scopes What's Next?

Indexing Practice

Find the mean between the largest and the smallest element of the numbers array.

Mean, also called average, represents the central number between two or more than two numbers. For-example the mean value between 1 and 5 is 3.

The formula for finding mean between two numbers sum of the two numbers divided by 2: (num1 + num2) / 2

Use indexing to access the smallest and the largest elements of the array.

main

The sum variable should contain the sum of the two values.
Figure out the index of the smallest and the largest elements of the numbers array and access those elements via indexing (numbers[index]), then store their sum in the sum variable.
The mean will be the sum divided by 2.

main

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