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Scala Map addString() method with a start, a separator and an end with example

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  • Difficulty Level : Hard
  • Last Updated : 26 Jul, 2019
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This method is same as addString() method but here a start, a separator and an end is also included.

Method Definition: def addString(sb: mutable.StringBuilder, start: String, sep: String, end: String): mutable.StringBuilder

Where, sep is the separator stated.

Return Type: It returns the elements of the map in the String Builder and a start, a separator and an end is also included here.

Example #1:




// Scala program of addString() method
// with a start, a separator and an
// end
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating map
        val m1 = Map("geeks" -> 5, "for" -> 3, "cs" -> 3)
          
        // Applying addString method 
        val result = m1.addString(new StringBuilder(), ">>>", "|", "--")
          
        // Displays output
        println(result)
    }
}

Output:

>>>geeks -> 5|for -> 3|cs -> 3--

Example #2:




// Scala program of addString() method
// with a start, a separator and an
// end
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
      
        // Creating map
        val m1 = Map("geeks" -> 5, "for" -> 3, "for" -> 3)
          
        // Applying addString method 
        val result = m1.addString(new StringBuilder(), ">>>", "|", "--")
          
        // Displays output
        println(result)
    }
}

Output:

>>>geeks -> 5|for -> 3--

So, here the identical keys are removed.


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