java判断数据类型两种方式

  1. instanceof       
    	String s = "";
           System.out.println(s instanceof String); // true
       
  2. simpleName
    String s = "";
    System.out.println(s.getClass().getSimpleName()); // String
原文地址:https://www.cnblogs.com/dashuai01/p/4772757.html