Cpp program example

If you enter the wrong password, then you will not see the result, rather the output produced by above program is Sorry! You've entered a Wrong Password! This program confirms whether the user is a robot or not. Because these are just a program to show you how it looks like. From next program article , you will learn about all these things one by one, starting with very simple program, that is, printing hello world to an advance level program.

But if you don't, then do these things:. The class name must start, followed by the object name. The object of the class type. To access public members of a class, we use the. These are members marked with public access modifier. Class members marked as private can only be accessed by functions defined within the class.

Any object or function defined outside the class cannot access such members directly. A private class member is only accessed by member and friend functions. Class members marked as protected have an advantage over those marked as private. They can be accessed by functions within the class of their definition.

Additionally, they can be accessed from derived classes. If a function is to be defined outside a class definition, we must use the scope resolution operator This should be accompanied by the class and function names. Constructs are special functions that initialize objects. The constructors help to assign values to class members. Of course, this is after they have been allocated some memory space.

The constructor can be defined inside or outside the class body. A demonstration of different data types Create an int type Create a float type Create a double type Create boolean types Create a char type Create a string type. Addition operator Increment operator Assignment operator Addition assignment operator. Create a string String concatenation String length Access string characters Change string characters User input strings. Find the highest value of two numbers Find the lowest value of two numbers Use the cmath header file for other math functions.

Boolean values Compare two values Compare two variables. The if statement The else statement The else if statement. The switch statement The switch statement with a default keyword. While loop Do while loop For loop Break a loop Continue a loop. Create and access an array Change an array element Loop through an array.

Create a reference variable Access the memory address of a variable. Create, write and read a text file.