在官方文档中,看到这句.但不明白什么意思. let vegetable = "red pepper" switch vegetable { case "celery": let vegetableComment = "Add some raisins and make ants on a log" case "cocumber", "watercress": let vegetableComment = &
java基础求真之switch 的case 后面加上大括号和不加大括号的区别. 下面给出三段代码大家看一下有什么不同以及哪段代码能够编译通过那段代码编译不能通过,为什么?(Why?) 代码片段一: int value = 10; switch (value) { case 1: int value1 = 5; break; case 2: int value1 = 6; break; } 代码片段二: int value = 10; // switch switch (value) { case
二叉搜索树是常用的概念,它的定义如下: The left subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node contains only nodes with keys greater than the node's key. Both the left and right subtrees must also be binary search