kotlin-coding-challenges

Format train route

Instructions

Given list of strings representing train station names implement a function which will return passenger friendly String:

• String always starts with Train is calling at
• If list contains single train station name, then return Train is calling at stationName
• If list contains multiple train station names, then return comma separated station names, but the last two names are separated by and word.

Challenge

Solution

Examples

formatTrainRoute(listOf("Luton")) // "Train is calling at Luton"

formatTrainRoute(listOf("Luton", "Harpenden")) // "Train is calling at Luton and Harpenden"

formatTrainRoute(listOf("Luton", "Harpenden", "London")) // "Train is calling at Luton, Harpenden and London"

This site is open source. Improve this page.