Nuggets for Tuples and Strings

Author: Vikas Hazrati

src/main/scala/com/inphina/nuggets/Strings.scala

@@ -0,0 +1,23 @@
+package com.inphina.nuggets
+
+
+object Strings{
+
+  def main(args: Array[String]) {
+    // 2 ways to represent a string with double quotes or triple double quotes
+    println("This is one string")
+    println("""This is one string""")
+    println("""This is one string
+    which could be scattered over
+                                 a few lines since it
+                                 is with triple double quotes
+
+    """)
+    println("""  Allow me to say \"Scala is Great\" """)
+    println("  Allow me to say \"Scala is Great\" ")
+    println("""  Allow me to say "Scala is Great" """)
+    scala.Symbol("vikas")
+    val s='vikas
+    print(s)
+  }
+}

src/main/scala/com/inphina/nuggets/tuples/Inventory.scala

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+package com.inphina.nuggets.tuples
+
+class Inventory (stock:Int, cost:Long, expiry:String){
+
+}

src/main/scala/com/inphina/nuggets/tuples/Payment.scala

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+package com.inphina.nuggets.tuples
+
+class Payment(amount:Int, description:String){
+  override def toString = "Amount is " + amount+ " and description is " + description
+}

src/main/scala/com/inphina/nuggets/tuples/SimpleTuple.scala

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+package com.inphina.nuggets.tuples
+
+object SimpleTuple{
+
+  /*
+  Main advantage of tuple is to return more than one value
+   */
+  def main(args:Array[String]):Unit = {
+    val(tuplePosition1,tuplePosition2,tuplePosition3) = tupularFunction();
+    println(tuplePosition1)
+
+    val completeTuple = tupularFunction();
+    println(completeTuple);
+    println("The third value of the tuple is " + completeTuple._3)
+
+    val stringTuple = anotherFunctionWhichReturnsTwoValues();
+    println(stringTuple)
+
+    println(doSomeHeavyCalculationAndReturnPaymentAndInventoryDetails())
+
+  }
+
+  def tupularFunction():(Any, Any, Any)={
+         val temporaryTupleValues = (1,2,3);
+        return temporaryTupleValues
+  }
+
+  def anotherFunctionWhichReturnsTwoValues(): (String, String) ={
+      return ("foo", "bar")
+  }
+
+  def doSomeHeavyCalculationAndReturnPaymentAndInventoryDetails():(Payment, Inventory )={
+    val payment = new Payment(12, "leeway")
+    val inventory = new Inventory(18, 34,"never")
+
+    return (payment, inventory)
+
+  }
+
+
+
+}