ArrayList list = new ArrayList (), holding a String object in the ArrayList of this generic integer. __java Advanced Practice

Package com.heima.test;

Import java.lang.reflect.InvocationTargetException;
Import Java.lang.reflect.Method;
Import java.util.ArrayList;

public class Test2 {

    /**
        arraylist<integer> list = new arraylist<integer> (); In this generic integer
        a String type object is stored in the ArrayList.
     * @param args
     * @throws SecurityException * 
     @throws nosuchmethodexception * 
     @throws InvocationTargetException 
     * @throws illegalargumentexception 
     * @throws illegalaccessexception * * 
     Public
    static void Main (string[] args) throws Nosuchmethodexception, SecurityException, Illegalaccessexception, IllegalArgumentException, invocationtargetexception {
        arraylist<integer> list = new Arraylist<integer > ();
        Class clazz = Arraylist.class;
        Method me = Clazz.getmethod ("Add", object.class);
        Me.invoke (list, "Heima");
        SYSTEM.OUT.PRINTLN (list);
    }