Data commit

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--1.scala

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+C:\>scala
+Welcome to Scala version 2.8.0.r21356-b20100407020120 (Java HotSpot(TM) Client V
+M, Java 1.6.0_05).
+Type in expressions to have them evaluated.
+Type :help for more information.
+
+scala> "rosetta"
+res0: java.lang.String = rosetta

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--2.scala

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+scala> "rosetta".
+
+!=                    ##                    $asInstanceOf
+$isInstanceOf         +                     ==
+charAt                clone                 codePointAt
+codePointBefore       codePointCount        compareTo
+compareToIgnoreCase   concat                contains
+contentEquals         endsWith              eq
+equals                equalsIgnoreCase      finalize
+getBytes              getChars              getClass
+hashCode              indexOf               intern
+isEmpty               lastIndexOf           length
+matches               ne                    notify
+notifyAll             offsetByCodePoints    regionMatches
+replace               replaceAll            replaceFirst
+split                 startsWith            subSequence
+substring             synchronized          this
+toCharArray           toLowerCase           toString
+toUpperCase           trim                  wait
+
+scala> "rosetta".+(":")
+res1: java.lang.String = rosetta:

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--3.scala

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+scala> val str1 = "rosetta"
+str1: java.lang.String = rosetta

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--4.scala

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+scala> val str2 = "code"
+str2: java.lang.String = code
+
+scala> val separator = ":"
+separator: java.lang.String = :
+
+scala> str1 + separator + str2
+res2: java.lang.String = rosetta:code

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--5.scala

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+scala> def (str1: String, str2: String, separator: String) =
+<console>:1: error: identifier expected but '(' found.
+       def (str1: String, str2: String, separator: String) =
+           ^

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--6.scala

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+scala> def f(str1: String, str2: String, separator: String) =
+     | str1 + separator + str2
+f: (str1: String,str2: String,separator: String)java.lang.String
+
+scala> f("rosetta", "code", ":")
+res3: java.lang.String = rosetta:code
+
+scala> f("code", "rosetta", ", ")
+res4: java.lang.String = code, rosetta

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--7.scala

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+scala> .length
+res5: Int = 13
+
+scala>

Task/Interactive-programming-repl-/Scala/interactive-programming-repl--8.scala

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+scala> Array(1, 2, 3, 4)
+res8: Array[Int] = Array(1, 2, 3, 4)
+
+scala> println(res8)
+[I@383244