C++ allows us to perform operations on files. We can read contents of a file and even write some content in the file through a C++ program. Isn’t that awesome? To perform operations on files, C++ provides several built-in functions. These functions are all declared in fstream header file. To perform operations on file, the fstream and iostream header files should …
File operations in C++ | c++ Advanced | Part – 12 Read More »
We brush our teeth every day. But do we make the toothpaste? Someone already made the toothpaste which we are directly using. Similar is the purpose of a header file. Header files are files containing functions, variables, data-type definitions and constants that can be used within the programs. We use a preprocessor directive #include to include header …
What do you do when you see a speed breaker in front of you? You apply brakes, right? The speed breaker breaks down your normal speed. This is exactly what exception does to our program. Exception is an event that disrupts the normal flow of the program. Exceptions are the errors which occur during the execution of the …
What is an exception? | c++ Advanced | Part – 10 Read More »
Consider we have to write classes for animals which displays their voices. We will require different classes for different animals. But there are a lot of features which are same across these animals. We keep all these similar features in a single class, like a template and extend this class for specific animals. Interfaces also …
Imagine you have a water bottle which is filled with water upto the brim. There are two marbles present inside the water bottle. Can you pull these marbles out without spilling the water? What if you are given a pair of tongs? You can, right? Encapsulation is a concept which describes the idea of bundling data …
What is encapsulation? | c++ Advanced | Part – 8 Read More »
Imagine you are watching a movie in a movie theatre. While watching the movie you enjoy the story and the drama happening, Right? Do you ever think about the technical aspects like from what angle a particular shot was taken, how the set would have been designed, which camera would have been used while shooting? …
Do you wear the same clothes for a party and at the time you go to sleep? No Right? For different occasions you dress differently. You are the same person which changes behaviour or appearance according to the situation. The literal meaning of polymorphism is having different forms or shapes. In Object-Oriented Programming, polymorphism is a way …
Mostly all members of a family share a common last name and that’s how outsiders recognize them. But to address the individuals we use first name along with the last name to uniquely identify that individual. Overloading is quite similar to what we saw above. Overloading suggests that two or more functions in the same scope …
What is Overloading and Overriding? | C++ Advanced | Part -5 Read More »
Why do I look so similar to my father? My nose is also exactly like him. That’s because you have inherited his features. Inheritance is when a class derives some properties from another class. Just like human beings inherit features from their parents. The class which uses/inherits the properties is known as derived class or sub class. And the class from which the features …
Destructor, a pretty animated name. Sounds like a villain? It actually is a life-saver when creating big projects. A destructor is a function which destructs or deletes an object. A destructor is called when an object of the class goes out of scope. The name of the destructor is same as the name of the class. …
