By Chuck Easttom

This article teaches rookies the fundamentals of C++ programming with no assuming earlier adventure in the other language. It includes a number of examples similar to online game programming, grade monitoring and standard calculation to make studying C++ enjoyable and important.

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N"; cin >> num1; cout << "Before the demo function your number is " << num1 << "\n"; demo(num1); cout << "After the demo function your number is" << num1 << "\n"; return 0; } void demo(float &number) { number = number * 4; cout << "Inside the demo function the number is now " << number << "\n"; } Step 2: Compile the code. Step 3: Run the code. 6. 6: Passing with the & operator. Notice that this time when the value is changed inside the function, it is also changed in the variable outside the function.

Built-in Functions In addition to the various functions you can create, C++ includes some useful functions you can use. Actually the term built-in is not exactly accurate, but it is close enough. These are functions that can be included in your program and then use. In fact, there are quite a few such functions. This book will show you some of the most commonly used functions and also show you some examples of how to use these functions. 1. 1: C++ Functions Function Purpose void *memcpy(*destination, *source, This function copies whatever is in the source (often an array or size); structure [see Chapter 8]) to the destination.

Step 3: Run your code. 1B. 1B: if Statements. What you see here is the use of an if-else statement. If some condition is true, execute the first block of code. If that condition is not true, then execute the second block of code. This is a very common programming situation, and if statements exist in all programming languages, although their implementations may differ. if statements are a fundamental part of programming. Most programming tasks can, at some level, be reduced to &"para">It is possible to have if statements and else statements without enclosing the blocks of code with brackets, if and only if the code block consists of one line of code.

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