What do you mean? Since Java 8 you can assign a function to a variable, pass it as a parameter etc. Lambdas in Java are not pure, since they are converted to ob

What do you mean? Since Java 8 you can assign a function to a variable, pass it as a parameter etc. Lambdas in Java are not pure, since they are converted to objects by compiler, but on user level they have all attributes of first class functions.