我想要唯一的移动号码并从逗号delim字符串变量计数

Question

String mobiles="1234567890,0987654321,1234567890,1122334455"

我需要输出

mobiles = "1234567890,0987654321,1122334455";
int count = 3;

我在java编码。

Answer 1

@YSF_L的回答是正确的 String mobiles = Arrays.stream(mmobiles.split(",")) .distinct() .collect(Collectors.joining(",")); String[] mcounts = mobiles.split(","); int Count = mcounts.length;