Home » Scala

Scala String length() Method

By IncludeHelp Last updated : October 20, 2024

Description and Usage

The length() method in Scala is used to return the length of the given string. It returns an integer value which is the number of characters in the string.

Syntax

string_name.length()

Parameters

The method is a parameter-less method, i.e. does not accept any parameter.

Return Value

It returns an integer which gives the length of the given string.

Example 1

object myObject {
    def main(args: Array[String]) {
        val myString = "Learn Programming at includehelp"
        println("The string is '" + myString + "'")
        
        val stringLen = myString.length()
        println("The length of the string is " + stringLen)
    }
}

Output

The string is 'Learn Programming at includehelp'
The length of the string is 32

Example 2

object myObject {
    def main(args: Array[String]) {
        val myString = ""
        println("The string is '" + myString + "'")
        
        val stringLen = myString.length()
        println("The length of the string is " + stringLen)
    }
}

Output

The string is ''
The length of the string is 0

Example 3: Print all character one by one

object myObject {
    def main(args: Array[String]) {
        val myString = "scala"
        println("The string is '" + myString + "'")
        
        val stringLen = myString.length()
    
        println("Printing the string character by character : ")
        for(i <- 0 to (stringLen - 1) )
            println(myString.charAt(i))
    }
}

Output

The string is 'scala'
Printing the string character by character : 
s
c
a
l
a