Java基础篇之java8新特性：Stream之map

1.前言

1)、没前言

2.例子

public class Java8Stream {

    public static void main(String[] args) {

        List<String> list = Arrays.asList("java","python","golang","js");

        list = list.stream().map(item->"学习" + item).collect(Collectors.toList());

        list.forEach(item->{
            System.out.println(item);
        });

    }

}