Scala List addString() method with a separator with example

This method is same as addString() method but here a separator is also included.

Method Definition: def addString(b: StringBuilder, sep: String): StringBuilder

Return Type: It returns the elements of the list to a string builder along with a separator between them.



Example #1:

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// Scala program of addString()
// method with a separator
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 3, 5, 2)
          
        // Applying addString method
        val res = m1.addString(new StringBuilder(), "*")
          
        // Displays output
        println(res)
      
    }
}

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Output:

1*3*5*2

Example #2:

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// Scala program of addString()
// method with a separator
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating a list
        val m1 = List(1, 3, 5, 2)
          
        // Applying addString method
        val res = m1.addString(new StringBuilder(), "_")
          
        // Displays output
        println(res)
      
    }
}

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Output:

1_3_5_2


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