How to get generic's class

Question

Class Model{

   private T t;

   .....


   private void someMethod(){
       //now t is null
       Class c = t.getClass();
   } 

   .....

}
         


        

Answer 1

It's not possible due to type erasure.

There is the following workaround:

class Model { 

    private T t; 
    private Class tag;

    public Model(Class tag) {
       this.tag = tag;
    }

    private void someMethod(){ 
       // use tag
    }  
}