I think that I do not specify what I want is to choose any of these two pokemons the problem is that it only lets me choose a charmander when I choose Pikachu stops working the program and pulls me that the error occurred where is the code enclosed by the I do not know what to do, please I need your help as it is urgent

public class entrenador int cont-0, tam-1l: private String nombre: private vector mochila-new Vectorpokemon(); //Esta arte es la que no quiere el aux private pokemon[ mochilanew pokemon [tam]://el vector que hic scanner in = new scanner (System.in); /Constructor //se genera de torma aleanew scanner (System.in) /Constzuctortoria un tipo de Pokemon en funcion del numero aux aleatorib //dentro del constructor public entrenador (String nombre) ( System.out.println System.out.printin("1. Charmander " + "2. Bulbasur " + "3. Squirleln" + *4. Picachu In" +"Please enter your choice[1-41 int aux -in.nextIntO la hora de declazar el vector y usarlo aquie y ejecutar el rogama no me lo hagarra switch (aux) t case 1: mochila [01 new charmander ) break; case 2: mochila [2- new Pikachu () break public pokemon elige (int ){ if (i