string join

1List<string> names = new List<string>() { "John", "Anna", "Monica" };
2var result = String.Join(", ", names.ToArray());
3

1['tom', 'dick', 'harry'].join(', ').replace(/, ([^,]*)$/, ' and $1')
2> "tom, dick and harry"

1var combined = String.Join(",", new String[]{"a","b"});
2// a,b

1Array.join()

1String.join(" - ", "This", "course", "is", "awesome");
2
3
4String.valueOf(22); // retourne "22"
5