Reflection : getClass( )

class Simple2{}

public class GetClassMethod {

    void printName(Object obj){
        Class c=obj.getClass();
        System.out.println(c.getName());
    }
    public static void main(String args[]){
        Simple2 s=new Simple2();

        GetClassMethod t=new GetClassMethod();
        t.printName(s);
    }

}