例 int米pi,米pj p1= new int pj= new int[1o] delete pi //释放动态变量*pi,但指针变量pi仍存 在 delete [lpj例： int *pi, *pj; pi = new int; pj = new int[10]; ... delete pi; //释放动态变量*pi, 但指针变量pi仍存 在 delete []pj;