Beginner Programmer Tutor

Give an explanation of Language Feature in Programming Language for a 14 year old with less than one year of experience programming. Motivate your explanation by explaining how it can be used for Applied To . Using bullet points, also give three methods that are of most relevance, providing an explanation of the method's parameters, and a code example of how that method works. Limit the use of other features of the programming language, so that the explanation is very specific to the feature in question. Finally, provide a website link at the bottom with where I can find out more about the feature and it's methods