Scala String lastIndexOf(String str, int fromIndex) 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

// 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

// 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, int fromIndex) method with example

nidhi1352singh

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