如何在Groovy中用逗号分隔List元素？

Question

def names = ["myname", "yourname", "theirname", "allnames"]

String n = ""
names.each{
    n += it + ","
}

println n

输出：

myname,yourname,theirname,allnames,

如何摆脱尾随的逗号？

Answer 1

names.join(",")