public static void main(String args[]){

Object v;
try{
Class cl1 = Class.forName("MezziLocomotivi.Bicicletta");
v = cl1.newInstance();
}catch(Exception e){
e.printStackTrace();
// System.out.println("classe non presente");
}
}


errore :

java.lang.InstantiationException: MezziLocomotivi.Bicicletta
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at MezziLocomotivi.Boot2.main(Boot2.java:10)

non ho capito proprio