Question

How to check if a string is empty in Scala

Answer 1

object StringChecker {
  def main(args: Array[String]): Unit = {
    val str1: String = ""
    val str2: String = "Scala Programming"

    println(isEmptyString(str1)) 
    println(isEmptyString(str2)) 
  }

  def isEmptyString(s: String): Boolean = {
    s.isEmpty
  }
}



/*
run:
  
true
false
  
*/

 

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Answer 2

object StringChecker {
  def main(args: Array[String]): Unit = {
    val str1: String = ""
    val str2: String = "Scala Programming"

    println(str1.isEmpty) 
    println(str2.isEmpty) 
  }
}




/*
run:
  
true
false
  
*/

 

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