// functional/Closure7.java // (c)2017 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. // {CompileTimeError} (Will not compile) import java.util.function.*; public class Closure7 { IntSupplier makeFun(int x) { Integer i = new Integer(0); i = i + 1; return () -> x + i; } }