This document discusses lambda expressions in Java and JavaScript. It provides two examples of using lambda expressions to create a thread in Java that prints "hi" to the console. The first version implements the run() method directly, while the second passes a lambda expression. It also mentions promises and provides a link for further reading on function bodies in lambda expressions in TypeScript.
8. For further reading
http://stackoverflow.com/documentation/typescript/2353/lambda-
expressions-arrow-functions/8645/function-
body#t=201609262313083247252