Mithlesh Upadhyay

Mithlesh Upadhyay is a Computer Science and AI expert from Madhya Pradesh with strong academic background (BE in CSE and M.Tech in AI) and over six years of experience in technical content development. He has contributed tech articles, led teams, and worked in Full Stack Development and Data Science. He founded the w3colleges.org portal for learning resources.

Recent Articles

Arithmetic Operators in C

Arithmetic operators in C are used for performing mathematical operations, such as addition, subtraction, multiplication, and division. Here is a list of arithmetic operators in C: 1. Addition (+): Adds two operands ...read more

C Operators

C operators are symbols or keywords that are used to perform different operations on one or more values. In C programming language, operators are classified into several categories, including: 1. Arithmetic Operators: ...read more

Double Pointer in C

In C, a double pointer is a variable that stores the address of a pointer. It is also known as a pointer-to-pointer. Double pointers are useful when you need to modify the ...read more

Function Pointer in C

In C programming language, a function pointer is a variable that holds the address of a function. It allows us to pass functions as arguments to other functions, store functions in arrays ...read more

Null Pointer in C

In C programming language, a null pointer is a pointer that has a value of “null”, or “0”. A null pointer is a pointer that does not point to any memory location. ...read more

Pointers in C

Pointers are a fundamental concept in the C programming language, which allow direct access to memory locations. A pointer is a variable that holds a memory address, which points to the location ...read more

String in C

In C programming language, a string is a sequence of characters that are stored in an array of characters. The string is terminated with a null character (‘\0’) which marks the end ...read more