目录基于Comparator排序使用 Lambda 表达式替换Comparator匿名内部类通过静态方法抽取公共的 Lambda 表达式借助Comparator的comparing方法多条件排序在Stream中进行排序倒序排列调转排序判断在Comparator.comparing中
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn\'t dang