//ArrayList list = new ArrayList(); 在这个泛型为Integer的ArrayList中存放一个String类型的对象
public class Test06 {
public static void main(String[] args) throws Exception {
ArrayList<Integer> list = new ArrayList<Integer>();
Method addMethod = list.getClass().getMethod("add", Object.class);
addMethod.invoke(list, "wjd");
System.out.println(list);
}
}