Scala String replace() method with example

The replace() method is used to replace the old character of the string with the new one which is stated in the argument.

Method Definition: String replace(char oldChar, char newChar)
Return Type: It returns the stated string after replacing the old character with the new one.

Example #1:

// Scala program of replace()
// method

// Creating object
object GfG
{

// Main method
def main(args:Array[String])
{

// Applying replace method
val result = "Nidhi".replace('N', 'n')

// Displays output
println(result)

   }
}

Output:

nidhi

Example #2:

// Scala program of replace()
// method

// Creating object
object GfG
{

// Main method
def main(args:Array[String])
{

// Applying replace method
val result = "Nidhi".replace('h', '#')

// Displays output
println(result)

   }
}

Output:

Nid#i