Question

How to reverse a word in a string with Scala

Answer 1

object ReverseWordInString {
  def reverseWord(str: String, word: String): String = {
    val pos = str.indexOf(word)
    
    if (pos != -1) {
      val reversed = word.reverse
      str.substring(0, pos) + reversed + str.substring(pos + word.length)
    } else {
      str
    }
  }

  def main(args: Array[String]): Unit = {
    val text = "C++ C Java Python PHP C# Scala"
    val target = "Java"

    val result = reverseWord(text, target)
    
    println(result)
  }
}



/*
run:

C++ C avaJ Python PHP C# Scala

*/

 

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