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1A C++ courseworkhttp://www-h.eng.cam.ac.uk/help/tpl/languages/C++/...|| ... or! ... notYou can "nest" ifs. In the following code, the 2nd if line is only reached if num < 5 is true.if (num < 5) {cout
1A C++ courseworkhttp://www-h.eng.cam.ac.uk/help/tpl/languages/C++/...class Point {public:float x;float y;};Note that this doesn't create a variable, it creates a new type of variable. Point is called a class. To create a variable of type Pointyou do the same kind of thing that you did when creating variables of type int, etc. To create an int called i you would doint i;To create a Point called p you doPoint p;The following code fragment shows how to set p's component fields to values.p.x=5;p.y=7;Whereas in arrays all the elements needed to be of the same type and each element was identified by a number, in classes they canbe of different types and are each given a name. Suppose you have the following dataName Anna Ben CharlieHeight 1.77 1.85 1.70Age 20 18 15You can create a class designed to contain this information as followsclass Person {public:string name;float height;int age;};You could then create a variable to represent Anna's information by doingPerson anna;anna.name="Anna";anna.height=1.77;anna.age=20;If you wanted to print Anna's height later on, you could docout
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