https://blog.csdn.net/qq_21033663/article/details/79571506
package com.jsdc.tianqi.test; import com.jsdc.tianqi.danli.CarFactory; import java.lang.reflect.Constructor; import
CarFactory instance = CarFactory.getInstance(); Class<?> aClass = Class.forName("com.jsdc.tianqi.danli.CarFactory");//
List<Integer> list = Arrays.asList(1,2,3); Integer[] array =new Integer[1];//長度爲1 <list.size Integer[] integers = li
