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