Scala List :::() operator with example

Scala List +() operator with example

Last Updated : 26 Jul, 2019

The +() operator in Scala is utilized to append an element to the list.

Method Definition: def +(elem: A): List[A]

Return Type: It returns a list of the stated elements after appending it to an another element.

Example #1:

// Scala program of +() 
// method 
  
// Creating object 
object GfG 
{  
  
    // Main method 
    def main(args:Array[String]) 
    { 
      
        // Creating a list 
        val m1 = List(1, 2, 3) 
          
        // Applying + operator 
        val res = m1.+("10") 
          
        // Displays output 
        println(res) 
      
    } 
} 

Output:

List(1, 2, 3)10

Example #2:

// Scala program of +() 
// method 
  
// Creating object 
object GfG 
{  
  
    // Main method 
    def main(args:Array[String]) 
    { 
      
        // Creating a list 
        val m1 = List() 
          
        // Applying + operator 
        val res = m1.+("10") 
          
        // Displays output 
        println(res) 
      
    } 
} 

Output:

List()10

Scala List :::() operator with example

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