What does a lambda expression mean?

Question

I just completed Java course but still have no idea what it means.

Answer 1

It's a function.

(x, y) -> x * y

is a lambda expression that's the same as a function

public int myFunction(int x, int y){ return x * y; }

Except that the lambda doesn't have a name, works on more than just `int`, and you can carry it around in variables easily.

Answer 2

Oh! Okay:)