Join Peggy Fisher for an in-depth discussion in this video Decisions, part of Learning C++.
…When adding decision making logic in C++, the programmer often uses relational…operators, such as the less than sign, the greater than sign, less than or equal to.…Notice there's no space between the less than sign and the equal sign.…Greater than or equal to, two equal signs and C++ to…distinguish between an assignment statement which…says something like x equals five.…When we want to do a comparison of two values we use equals, equals, not equal.…
The exclamation point is used as a not symbol.…Two ampersands represent the logical operator and.…Two straight lines represent the logical operator or.…In C++ we use the key work if to evaluate…a condition and determine if the condition is true or false.…We also have the keyword else, which provides the statement…or statements that are executed if the first condition is false.…Here's an example.…If the outside temperature is greater than 32, so…it's above freezing, c out wear a light coat.…
Else, c out, wear a heavy coat.…Sometimes the conditions can get quite complicated.…
- Downloading and exploring the C++ IDE
- Working with loops
- Using predefined functions
- Creating custom functions
- Creating and instantiating classes
- Working with external files
Skill Level Beginner
Q: How do I upgrade the C++ compiler on Mac OS X and Linux?
A: Refer to C/C++ Essential Training for a detailed look at installing or upgrading the C++ compiler on various platforms.
Q: The link to download the Eclipse IDE in the "Download a C++ IDE" movie doesn't work. Where can I find the IDE?
A: Short URLs are case sensitive and need to be typed in exactly as they appear. Type in or simply click http://goo.gl/CzckWp to visit the Eclipse IDE for C/C++ Developers page.
1. Getting Started
2. C++ Basics
3. Flow of Control
4. Classes and Objects
5. Data Structures
6. File Manipulation
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