Join string with delimiters

Question

I have a string array : Arrays.asList("str1", "str2", "str3", "str4");

And I want converti it as string with delimmotors, like this :

"str1,str2,str3,str4"

How I can do it without iterating my list ?

Answer 1

Yes with Java 8 :

List<String> list = Arrays.asList("str1", "str2", "str3", "str4");
String result = String.join(",", list);