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PythonReadable code for automation, data, and first programs.TutorialCLearn memory, pointers, and efficient systems programming.TutorialC++Build fast applications with modern types and classes.TutorialJavaUnderstand object oriented programs and the JVM.TutorialJavaScriptAdd behavior to the web and build applications.TutorialTypeScriptJavaScript with static types for dependable code.Tutorial
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References

Ruby reference

Express clear programs with readable syntax.

Ruby Basics

Store text and print it.

Ruby Arrays

Visit each value in an array.

Ruby Methods and map

Define a method and transform an array with map.

Ruby Classes

Keep state in an instance variable and read it with attr_reader.

Ruby Hashes

Store key-value pairs and iterate over them.