其实此题是模拟多用户对相同资源的操作。网上大多解法只是解决了基本的同步问题，并未解决对于资源的控制。 可使用lock condition条件对象...

题目如下 Return a version of the given string, where for every star (*) in t...

题目如下 We'll say that a String is xy-balanced if for all the 'x' chars in ...

题目如下 Given a string and a second "word" string, we'll say that the word ...

We want to make a row of bricks that is goal inches long. We have a numb...

常量定义 使用如下定义，注意常量名称使用大写字母。使用final定义常量。

Java practice recording 2020-05-01 Given a string, return a string made ...

java practice recording 2020-04-27 Given a string, return a string made ...

在传入可变参数时传入后参数为tuple