用逗号将整数转换为字符串数千

2022-01-14 00:00:00 string integer java

我想将整数 35634646 转换为千位，"，所以应该是 35,634,646.

I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646.

最快的方法是什么?

推荐答案

System.out.println(NumberFormat.getNumberInstance(Locale.US).format(35634646));

Output: 35,634,646

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