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Pointers in C - Simple Examples and Memory Location Diagrams

4.6 Filled star Filled star Filled star Filled star Half star
Based on 38 ratings
see reviews
Mudassar Naseem

Pointers explained with illustrations. Understand the idea and philosophy of pointers once and for all. C is a wonderful programming language. It is used in OS, complex system softwares. C is simple, however, the concept of Pointers sometimes can be difficult. In this course you are going to learn pointers from the very beginning. Get the basic concepts, idea logic of pointers and use it in your programs. Get a good foundation of Pointers.

Course will be updated regularly more and more material is going to be added regarding pointers. So this will build a solid foundation of Pointers for all C and related Programmers.

Read more

Pointers explained with illustrations. Understand the idea and philosophy of pointers once and for all. C is a wonderful programming language. It is used in OS, complex system softwares. C is simple, however, the concept of Pointers sometimes can be difficult. In this course you are going to learn pointers from the very beginning. Get the basic concepts, idea logic of pointers and use it in your programs. Get a good foundation of Pointers.

Course will be updated regularly more and more material is going to be added regarding pointers. So this will build a solid foundation of Pointers for all C and related Programmers.

Learn Coding, Learn C, Learn Pointers.

Enroll now

What's inside

Learning objective

Pointers in c/c++, memory, addresses and memory allocation skills

Syllabus

Introduction
Intro to Pointers - Memory Concepts
What is a pointer?
Variables, addresses and memory locations
Read more

After first section test what you have learnt and clear your concepts

Traffic lights

Read about what's good
what should give you pause
and possible dealbreakers
Provides a foundational understanding of pointers, which is essential for working with memory management and data structures in C/C++
Explores the relationship between pointers and arrays, which is a core concept for efficient data manipulation in C/C++
Covers pointer-to-pointer concepts, which are useful for advanced memory management and dynamic data structures
Focuses on the fundamentals of pointers, which may be too basic for experienced C/C++ developers

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Reviews summary

Pointers in c explained with illustrations

According to learners, this course provides a clear and concise explanation of pointers in C, a topic often found challenging. Students particularly appreciate the use of diagrams and illustrations, which many find highly effective in visualizing complex concepts like memory addresses and pointer behavior. The course is frequently described as having a good structure and being easy to follow, making it suitable for beginners or those looking to solidify their foundational knowledge. While generally well-received, a few reviews suggest that the coverage of certain topics could be more in-depth or include more complex examples, potentially for intermediate learners seeking advanced applications.
Well-structured and easy to follow.
"The course has a logical flow that makes learning smooth."
"Content is organized well, building step-by-step."
"Found the structure easy to navigate and understand."
Highly recommended for newcomers to pointers.
"If you're new to pointers, this is a great starting point."
"It covers the basics thoroughly and builds a solid foundation."
"Perfect for getting the core concepts down before moving to advanced topics."
"I was confused about pointers before, but this course cleared things up for me as a beginner."
Utilizes diagrams to visualize memory.
"The memory location diagrams are incredibly helpful for visualizing what pointers do."
"Loved the illustrations! They made the abstract concept of memory addresses concrete."
"Visual aids are key for pointers, and this course uses them effectively."
"The diagrams really solidified my understanding of how pointers interact with memory."
Provides easy-to-understand explanations.
"The explanations are clear and easy to grasp, even for beginners."
"I finally understood pointers thanks to the way it's explained here."
"The concepts were broken down simply and logically."
"This course makes a difficult topic much more approachable."
Could benefit from more advanced content.
"Could use more in-depth coverage on complex topics or optimization techniques."
"It's great for basics, but I was hoping for more advanced examples."
"Would love to see more real-world application examples of pointers."
"Feels a bit short if you're looking to become truly proficient beyond the fundamentals."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Pointers in C - Simple Examples and Memory Location Diagrams with these activities:
Review Memory Management Fundamentals
Solidify your understanding of how memory is managed in C. This will provide a strong foundation for understanding pointers and their behavior.
Browse courses on Memory Allocation
Show steps
  • Read about stack and heap memory.
  • Practice allocating and freeing memory.
  • Review memory leaks and dangling pointers.
Read 'C Programming: A Modern Approach'
Supplement your learning with a comprehensive textbook on C programming. This book provides a more in-depth explanation of pointers and memory management.
View C Programming: A Modern Approach, 2nd Edition on Amazon
Show steps
  • Read the chapters on pointers and memory.
  • Work through the examples and exercises.
  • Refer to the book for clarification on concepts.
Pointer Arithmetic Exercises
Practice pointer arithmetic to reinforce your understanding of how pointers interact with arrays and memory addresses. This will help you avoid common errors and write more efficient code.
Show steps
  • Work through online pointer arithmetic exercises.
  • Implement functions using pointer arithmetic.
  • Debug code that uses pointer arithmetic.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Read 'Understanding Pointers in C'
Deepen your understanding of pointers with a book dedicated to the topic. This book provides a more detailed explanation of pointer concepts and their applications.
View Pointers on C on Amazon
Show steps
  • Read the chapters on pointer arithmetic.
  • Study the examples of pointer usage.
  • Practice implementing pointer-based data structures.
Implement a Dynamic Array
Create a dynamic array implementation using pointers and memory allocation functions. This project will solidify your understanding of pointers and dynamic memory management in a practical context.
Show steps
  • Design the dynamic array data structure.
  • Implement functions for adding and removing elements.
  • Handle memory allocation and deallocation.
  • Test the dynamic array implementation thoroughly.
Create a Pointer Visualization Tool
Develop a tool that visually represents pointers, memory addresses, and variable values. This will deepen your understanding of pointer concepts and improve your debugging skills.
Show steps
  • Design the visualization tool's interface.
  • Implement the memory representation logic.
  • Add features to display pointer values.
  • Test the tool with various pointer scenarios.
Create a Pointer Cheat Sheet
Compile a cheat sheet summarizing key pointer concepts, syntax, and common use cases. This will serve as a quick reference guide for future programming tasks.
Show steps
  • Gather information on pointer declarations.
  • Summarize pointer arithmetic rules.
  • Include examples of pointer usage.
  • Organize the cheat sheet for easy reference.

Career center

Learners who complete Pointers in C - Simple Examples and Memory Location Diagrams will develop knowledge and skills that may be useful to these careers:
Systems Programmer
A Systems Programmer works on low-level software that interacts directly with computer hardware, like device drivers or kernel modules. Pointers are foundational to systems programming, making a course like this one a great starting point for this career path. The role requires a thorough understanding of memory management, address manipulation, and pointer arithmetic. This course provides a practical introduction to these concepts. The focus on memory addresses and how pointers work with arrays in the course can allow you to more competently perform the functions of a systems programmer.
See salaries and explore the career path for Systems Programmer
Operating Systems Developer
An Operating Systems Developer creates the core software that manages computer hardware and software resources. A core skill required for working within such a complicated environment is a firm grasp of memory management and working with pointers. This course's focus on pointers in C, a language fundamental to operating system development, can help you build a strong basis for the role. This work includes handling memory allocation, deallocation, and working with data structures directly, all of which rely heavily on pointers. This course helps you gain familiarity with memory addresses and indirect memory access, which are crucial to an operating systems developer.
See salaries and explore the career path for Operating Systems Developer
Device Driver Developer
A Device Driver Developer writes the software that allows the operating system to interact with hardware devices. The ability to interact directly with memory, a skill taught in this course, is critical to these roles. Memory management, direct hardware access via registers, and the manipulation of hardware specific data structures is a core aspect of this job and the use of pointers is crucial here. This course's focus on memory addresses, pointer basics, and address operators helps with the direct memory access that is vital for device driver developers.
See salaries and explore the career path for Device Driver Developer
Embedded Software Engineer
An Embedded Software Engineer develops software for devices like microcontrollers and other embedded systems. This role requires a deep understanding of memory management and pointer usage, especially in a language like C, meaning this course may be particularly useful to build the foundation for this role. Pointers are crucial when interacting directly with hardware, managing data storage in memory-constrained environments. This course builds the basic understanding of memory concepts, addresses, and pointer manipulation, skills directly relevant to an embedded software engineer.
See salaries and explore the career path for Embedded Software Engineer
Firmware Engineer
A Firmware Engineer designs the low-level software that controls hardware devices, akin to an embedded systems engineer. Precise control over memory and hardware via pointers is critical, making this course a strong start for this role. This work often involves direct memory access, manipulation of hardware registers, and the management of data structures in limited memory environments. This course's exploration of pointer basics and their use in functions can be leveraged in this role. A firmware engineer needs strong skills in memory location and management, which are built in this course.
See salaries and explore the career path for Firmware Engineer
Robotics Software Engineer
A Robotics Software Engineer writes software that controls robots and their various components. This work often involves working with low-level hardware drivers and real-time systems. This course is a great start for those seeking to enter this field because of the course's focus on C, memory management, and pointer arithmetic. This course can expose you to memory location concepts, direct memory access, and efficient data handling in robotic applications.
See salaries and explore the career path for Robotics Software Engineer
Compiler Developer
A Compiler Developer works on the software that turns human-readable code into machine executable instructions. This role often requires knowledge and skills in manipulating memory and data structures, which this course can help solidify. The compiler needs to interact with memory at the very lowest levels, requiring a deep command of pointer usage as discussed in this course. These engineers need to manage memory allocation, data structure representations, and code generation, where a solid understanding of pointers is foundational. This course builds one such foundation.
See salaries and explore the career path for Compiler Developer
High-Performance Computing Engineer
A High Performance Computing Engineer works with systems that require very fast calculation, often using specialized hardware, software and programming languages to reach performance goals. The ability to directly manipulate memory is a critical requirement in this field, which is why a course such as this one may be useful. These engineers must employ memory management and efficient data access patterns to extract the most performance from any system. This course on pointers in C provides a basis for understanding low-level memory access, which is critical for becoming a high performance computing engineer.
See salaries and explore the career path for High-Performance Computing Engineer
Game Engine Developer
A Game Engine Developer creates the underlying tools and systems that video games use, often working with C or C++. Pointers are very applicable in the work of a game engine developer, therefore this course may be useful for those seeking this role. The role requires direct memory manipulation for tasks like asset loading, rendering, and collision detection, often working with dynamically allocated structures. This course covers fundamental pointer concepts, memory allocation, and the relationship between pointers and arrays, which can aid you in your work as a game engine developer.
See salaries and explore the career path for Game Engine Developer
Computer Graphics Programmer
A Computer Graphics Programmer creates software for rendering and manipulating images and visual effects. While not the only component of computer graphics programming, low-level memory management is foundational and crucial, making this course helpful for those who want to work in this role. Tasks such as handling textures, models, and framebuffers require a solid grasp of memory management and pointer manipulation. This course can help build familiarity with memory addresses, indirect memory access, and the use of pointers in functions. All of this helps contribute to the role of a successful computer graphics programmer.
See salaries and explore the career path for Computer Graphics Programmer
Database Systems Developer
A Database Systems Developer builds and maintains the software that manages large amounts of data. This often requires a deep understanding of memory management and data structures. This course provides a strong start in understanding low-level memory concepts. This role makes good use of pointers to handle complex and dynamic data structures, along with memory allocation strategies. This course will introduce you to the concepts of memory addresses and pointer indirection which are critical skills for a database systems developer.
See salaries and explore the career path for Database Systems Developer
Software Developer
A Software Developer writes code to build applications, systems, and tools, making use of various programming languages. While not all software development is low-level, the concepts of pointers and memory are crucial to a proper understanding of C. This course builds a solid foundation in the understanding of pointers, with their use in memory manipulation, such as working with arrays and with functions. These are skills that will benefit a software developer of any variety.
See salaries and explore the career path for Software Developer
Network Protocol Developer
A Network Protocol Developer works on the software that governs data transmission across networks. This often requires working at the low level of the system, with a strong understanding of memory and how it is used to send data. This course may be a great starting point by virtue of its focus on pointers and memory locations. This engineer needs to handle the reading and writing of network packets, which involves direct memory access and manipulation using pointers. This course on pointers in C will help build a foundation in the skills needed for this role.
See salaries and explore the career path for Network Protocol Developer
Security Software Engineer
A Security Software Engineer develops software designed to protect systems from threats, vulnerabilities, and attacks. This sometimes involves working at the low levels of the system, which means that an understanding of pointers and memory manipulation might be useful. This course is a great first step for such a path, as the course covers pointers, addresses, and memory allocation concepts. Understanding how memory is organized and accessed via pointers is vital for writing secure code and understanding the impacts of memory related vulnerabilities. This course can start you on that journey.
See salaries and explore the career path for Security Software Engineer
Software Architect
A Software Architect designs the high-level structure of software systems, making decisions about the overall structure and organization of the program. While not directly coding all features, they need a basic understanding of all of the components that contribute to a system, including all data structures and underlying pointer mechanisms. This course might be helpful in gaining an idea of how these fundamental elements work, and how they can be best deployed. The understanding of pointers is fundamental for any software architect who works with systems that are built in C and related languages. Therefore any work on pointers as is taught in this course may be valuable to the role.
See salaries and explore the career path for Software Architect

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Pointers in C - Simple Examples and Memory Location Diagrams.
Cover image
C Programming
Save
Provides a comprehensive introduction to C programming, including detailed explanations of pointers and memory management. It widely used textbook in academic settings and offers numerous examples and exercises to reinforce learning. It is particularly helpful for understanding the underlying principles of C and how pointers work at a low level. This book provides more depth than the course and useful reference.
C Programming: A Modern Approach, 2nd Edition
Paperback
$$$
C Programming: A Modern Approach
Paperback
$$$$
(中文) C language programming: a modern approach(Chinese...
Paperback
$$
(中文) Modern Methods of C Language Programming Second...
Paperback
$$$
(中文) C Language Programming Modern Method (Second...
Paperback
$$
Cover image
Pointers on C
Save
Focuses specifically on pointers in C, providing a detailed and accessible explanation of the topic. It covers various aspects of pointers, including pointer arithmetic, dynamic memory allocation, and function pointers. It valuable resource for students who want to deepen their understanding of pointers and their applications. This book is best used as additional reading to expand on the course materials.
Pointers on C
Paperback
$$$$

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Effort
2 total hours
Via
Udemy
Instructor
Mudassar Naseem
Language
English
Traffic lights
Read about what's good
what should give you pause
and possible dealbreakers
Provides a foundational understanding of pointers, which is essential for working with memory management and data structures in C/C++
Explores the relationship between pointers and arrays, which is a core concept for efficient data manipulation in C/C++
Covers pointer-to-pointer concepts, which are useful for advanced memory management and dynamic data structures
Focuses on the fundamentals of pointers, which may be too basic for experienced C/C++ developers
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