Source code is the form of code that is modified directly by humans, typically in a high-level programming language. Object code can be directly executed by the machine and is generated automatically from the source code , often via an intermediate step, assembly language. Guide source code : developer's guide Source code is made up of the instructions developers write to tell a computer what to do, and it’s fundamental to software development. Whether you’re using a mobile phone app, visiting a website, or using an operating system tool on your computer desktop— source code is behind it all. GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Top Programming Source Code Examples - Java, Python, C, C++, C#, Golang, PHP, Rust, Swift, Scala, R, Kotlin, JavaScript, TypeScript, Ruby, Spring Boot