Java 是一种动态类型语言，这意味着解释器在运行时 确定变量的类型。实际上，这也允许我们在相同的代码中使用相同的变量来存储不同类型的数据。如果没有文档和一致性，我们在使用代码时并不总是知道变量的类型。 当我们期望一个变量是数字时，对字符串 ...

Given two strings S and T, each of which represents a non-negative rational number, return True if and only if they represent the same number. The strings may use parentheses to denote the repeating ...

Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)). Example 1: **Input:** nums1 = ...