You can use Stream API Collectors.joining() There are prefix and suffix arguments like that: Stream.of("a", "b", ... ... <看更多>

... <看更多>

You'll learn how to use the JavaScript array join() method to concatenate all elements of an array into a string separated by a separator. ... <看更多>

public class StringList extends java.lang.Object implements java.lang.Iterable<java.lang.String> ... String, join(java.lang.String separator). void, lower(). ... <看更多>