Object 類的 getClass() 方法

Created: November-22, 2018

class Simple { }  
  
class Test {  
     void printName(Object obj){  
         Class c = obj.getClass();    
         System.out.println(c.getName());  
     }  
     public static void main(String args[]){  
         Simple s = new Simple();  
   
         Test t = new Test();  
         t.printName(s);
    }  
}