Join Dan Gookin for an in-depth discussion in this video Making a decision with if, part of Learning C (2014).
- Generally speaking, a program…executes statements as they appear…in the source code, one line after another.…To change that order is to alter the program's flow.…One of the most common flow control words…in the C language is "If", which is similar…to its human language counterpart, also called if.…In this movie, I introduce you to the if keyword.…You'll also discover how comparisons…are made in the C language, as well…as how to handle multiple decisions.…Before you can use the if keyword,…you must understand how comparisons work in C.…
Two values or expressions are evaluated.…To make that evaluation, you use one…of the C language's comparison operators.…Here are the most common comparison operators.…"Is equal to," which, you'll notice, two equal signs.…One equal sign is the assignment operator.…This is why I say, "Is equal to," for the operator's name…instead of "is equal" or "equals."…"Less than" and "greater than"…you're probably familiar with.…Then, there's "less than and equal to"…and "greater than and equal to."…
- Understanding a C program
- Adding comments
- Using escape characters
- Working with values and placeholders
- Introducing variables
- Making a decision with if
- Adding functions
- Manipulating strings
- Building arrays
- Nesting structures
Skill Level Beginner
1. Getting Started
2. Programming Basics
3. Program Flow Control
4. Intermediate C Language Concepts
5. Advanced C Language Concepts
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