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Scala String indexOf(String str) method with example
  • Last Updated : 03 Oct, 2019

The indexOf(String str) method is utilized to return the index of the sub-string which occurs first in the string stated.

Method Definition: indexOf(String str)
Return Type: It returns the index of the sub-string which is specified in the argument of the method.

Example #1:




// Scala program of int indexOf()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying indexOf method
        val result = "NidhiSingh".indexOf("dh")
          
        // Displays output
        println(result)
      
    }
Output:
2

Example #2:




// Scala program of int indexOf()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Applying indexOf method
        val result = "NidhiSingh".indexOf("Sin")
          
        // Displays output
        println(result)
      
    }
Output:
5

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