Write a Scala program to create a new string where 'if' is added to the front of a given string. If the string already begins with 'if', return the string unchanged

برمجة سكالا

2021-09-23
mhanasmh00489829403

Write a Scala program to create a new string where 'if' is added to the front of a given string. If the string already begins with 'if', return the string unchanged.

الأجوبة

object scala_basic {
  def test(str: String): String = 
    {
     if (str.startsWith("if")) str else "if " + str
    }
     
   def main(args: Array[String]): Unit = {
      println("Result: " + test("if else"));
      println("Result: " + test("else"));
    }
}

Sample Output:

Result: if else
Result: if else

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برمجة سكالا | Scala programming

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