java stream join string code example

Example 1: String joiner in streams java

setOfTags.stream().collect(Collectors.joining(";"))

Example 2: java stream collect to string

List<Integer> numbers = Arrays.asList( 4, 8, 15, 16, 23, 42 );
return numbers.stream()
        .map( n -> n.toString() )
        .collect( Collectors.joining( "," ) );