对Stream、Optional、集合 API进行增强。 Object o; switch (o) { case null -> System.out.println("首先判断对象是否为空,走空指针逻辑等后续逻辑"); case String s -> System.out.println("判断是否为字符串,s:" + s); case record p -> ...
Rather than risking it becoming a dampened down affair, Azul SKL took the decision to move their big Mexican Festival back a week to this Saturday, September 28. The good news is that it will now star ...