string 的格式化

 public static void main(String[] args) {
        //java.text.MessageFormat
        System.out.println(MessageFormat.format("{0}_{1}","binbin","jingjing"));
        //com.sankuai.meituan.common.util.StringUtil
        System.out.println(StringUtil.format("{}_{}","binbin","jingjing"));
        //org.slf4j.helpers.MessageFormatter
        System.out.println(MessageFormatter.arrayFormat("{}_{}",new String[]{"binbin","jingjing"}).getMessage());
    }

结果如下

binbin_jingjing
binbin_jingjing
binbin_jingjing


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