Java Closure 是什么

Java Closure
Google Neal on Java Closure

几个例子

        // before
        for(String s : strings) if(something(s)) return calculate(s);


        // after
        forEach(string, new OneArg<String>() {
            public void invoke() {
                if(something(s)) return calculate(s); // ERROR, you cannot return or break a loop
            }
        });