💻 การเขียนโปรแกรม
Categories of the section
**Java** runs on the JVM and powers backends, Android apps, and large enterprise systems. This course is for beginners who want a clear path into server-side development. You will learn variables and types, control flow, classes and objects, collections, exceptions, and file I/O. Lessons move from tiny programs toward tasks you might see in real projects. By the end you can read Java code, build small applications, and continue with Spring, testing, and junior interview preparation.
Java — course structure**Python** is a versatile language for web apps, automation, data analysis, and machine learning. This course helps you start from zero and see results quickly in the console and small scripts. You will learn syntax, functions, data structures, file handling, and OOP basics. Examples show how Python solves everyday tasks without unnecessary complexity. After the course you can write your own scripts, read existing code, and move on to Django, data science, or test automation.
Python — course structure**Kotlin** is a modern language for the JVM, Android, and multiplatform development. It combines concise syntax with type safety and suits both Java veterans and programming newcomers. The course covers language basics, functions and lambdas, collections, classes, null safety, and an introduction to coroutines. You will see why Kotlin is chosen for Android and Spring backends. You will write concise code, understand Kotlin projects, and move on to Android or server-side apps.
Kotlin — course structure