java join list code example
Example 1: java join list as string
List<String> list = Arrays.asList("a","b","c");
String result = String.join(",", list);
System.out.println(result); //prints a,b,c
Example 2: java join list of strings
String result = String.join(",", list);
Example 3: join elements in a list with , java
Joiner joiner = Joiner.on("+");
String join = joiner.join(joinList);