ALL review topics
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| OOP and procedural programming | A class is basically a structure with member functions as well as member data. Classes
are central to the programming methodology known as object-oriented programming.
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| OOP CLASS | A class is a type that is similar to a structure type, but a class type normally has member
functions as well as member variables.
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| OOP CLASS TYPE OBJECT | The value of a variable of a class type is called an object (therefore, when speaking
loosely, a variable of a class type is also often called an object). An object has both data
members and function members.
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| PROCEDURAL ABSTRACTION | means that your function should be written so that it can be used like a black box. This means that the programmer who uses the function should not need to look at the body of the function definition to see how the function works.
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| Block scope | s some C++ code enclosed in braces. The variables declared in a block are local to the block, and so the variable names can be used outside the block for something else (such
as being reused as the names for different variables).
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| PARAMETER | Many people use the term parameter for
both what we call formal parameters and what we call arguments.
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| example parameter | int sum(int a,int b){
return a+b;
}
int a=sum(1,2);
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| evaluating expressions | para comes first, ++ -- comes 2nd, * / comes 3rd and +- comes last.
int = only put first value before decimal place double= put first and second value and round
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| overloading by return | double mpg(double miles, double gallons)
//Returns miles per gallon.
{
return (miles / gallons);
}
cout << mpg(45, 2) << " miles per gallon";
Savitch, Walter (2015-04-15). Absolute C++ (Page 168). Pearson Education. Kindle Edition.
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| overloading bycall reference | PIZZA ARITHMATIC
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| boolean | is an expression that results in a boolean value, that is, in a value of either true or false.
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| precedence rules for boolean | Anything inside parentheses is done first.
Arithmetic is done before equality and inequality tests.
Logical operations are done after equality and inequality tests."Not" (!) is done before "and" (&&)
"And" (&&) is done before "or" (||). Assign=last
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| overloading by different value | use the void function in int main and anything not given value wise will be = to the above values given at the end.
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| Call by value parameter | is like a blank a place holder to fill in the actual values that are going to be call by int main. local variable at the top. i.e. Law office
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| call-by-reference parameter | must be marked in some way so that the compiler will
know. The way that you indicate a call-by-reference
parameter is to attach the ampersand sign, &, to the end of the type name in the formal
parameter list. i.e. swap integers
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| call by reference i.e. | void getInput(double& receiver)
{
cout << "Enter input number:\n";
cin >> receiver;
}
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| void swap values | cannot equal eachother through with same value, needs to be set first by an item not used-- temp = fnum. fnum=secnum; then equal to eachother than temp = secnum.
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| call by value and call by reference | can be used via pg 158-159 void goodStuff(int& par1, int par2, double& par3);
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