ArrayList list = new ArrayList();在這個泛型為 Integer 的 ArrayList 中存放一個 String 類型的對象。__java進階練習

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>();在這個泛型為 Integer 的 ArrayList        中存放一個 String 類型的對象。     * @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);    }}