What are the important topics in C++ for interview?

C++ Interview Questions For Freshers

• Primitive Datatype(basic datatype). Example- char, short, int, float, long, double, bool, etc.
• Derived datatype. Example- array, pointer, etc.
• Enumeration. Example- enum.
• User-defined data types. Example- structure, class, etc.

What are the C++ important parts?

Introduction

• Computer program: sequence of statements designed to accomplish some task.
• Programming: planning/creating a program.
• Syntax: rules that specify which statements (instructions) are legal.
• Programming language: a set of rules, symbols, and special words.
• Semantic rule: meaning of the instruction.

What are the basics of C++ language?

C++ is a general-purpose programming language and widely used nowadays for competitive programming. It has imperative, object-oriented and generic programming features. C++ runs on lots of platform like Windows, Linux, Unix, Mac, etc.

What is a symbol C++?

Symbols in C++ Expressions In a C++ expression, each symbol is interpreted according to its type. Depending on what the symbol refers to, it might be interpreted as an integer, a data structure, a function pointer, or any other data type.

How do you write comments in C++?

A C++ comment is written in one of the following ways:

1. The /* (slash, asterisk) characters, followed by any sequence of characters (including new lines), followed by the */ characters. This syntax is the same as ANSI C.
2. The // (two slashes) characters, followed by any sequence of characters.

Can beginners learn C++?

No, C++ is not recommended to beginners. In C++ programming you have to pay attention to memory management, compiler related issues and other things which are not the core stuff of programming.

How many operators are there in C++?

Operators in C++ can be classified into 6 types: Arithmetic Operators. Assignment Operators. Relational Operators.

What are the main features of C language?

The main features of C language include low-level access to memory, simple set of keywords, and clean style, these features make C language suitable for system programming like operating system or compiler development. Recent Articles on C !

What are the topics to learn in C programming?

Basic algorithm :Go through the topics here like searching,sorting and the types and how to use them . Functions :Go through the concept of functions ,it’s types, parameters, recursion. Pointers: Here go through uses of pointers and how to use in program. File handling :Go through the various functions available for file handling.

What is C programming language?

Last Updated : 18 Jun, 2021 C is a procedural programming language. It was initially developed by Dennis Ritchie as a system programming language to write operating system.

What are the basic knowledge required to learn C++?

For C++ language firstly you must have the basic knowledge of OOP (Object Oriented Programming). C++ is an OOP language. It’s important topics are: Decision Control and Looping Statements. Functions. Arrays. Pointers. Classes and Objects.