Scala String lastIndexOf(String str) method with example

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:

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:

Scala String lastIndexOf(String str) method with example

nidhi1352singh

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