Scala 面试题与答案
Question: What is the difference between 'map' and 'flatMap' in Scala?Answer: 'map' applies a function to each element of a collection and returns a new collection of the results, while 'flatMap' applies a function that returns a collection to each element and flattens the results into a single collection. |
保存以便复习
收藏此条目、标记为困难题，或将其加入复习集合。
这有帮助吗？ 是 否
用户评价最有帮助的内容：
- What is a higher-order function?
- Explain the \'yield\' keyword in Scala.
- Explain the difference between val and var in Scala.
- What is the purpose of the \'case\' keyword in Scala?
- What are the advantages of using the \'Option\' type over null in Scala?