Java字符串格式化输入（{0}/%s）

用法：

System.out.println(MessageFormat.format("{0}{1}",1,2));
System.out.println(String.format("%s-%s","adsfadf",123));

 

参考：

https://www.cnblogs.com/fsjohnhuang/p/4094777.html

http://www.blogjava.net/longturi/archive/2013/09/17/404166.html