# ScalaKoansExercises

committed f100b70

updated koans list, ordering

# Files changed (2)

-package org.functionalkoans.forscala
-
-import org.scalatest.matchers.ShouldMatchers
-import support.KoanSuite
-
-class AboutLiterals extends KoanSuite with ShouldMatchers {
-  koan("Integer Literals are 32-bit and can be created from decimal, octal, or hexadecimal") {
-    val a = 2
-    val b = 31
-    val c = 0x30F
-    val d = 077
-    val e = 0
-    val f = -2
-    val g = -31
-    val h = -0x30F
-    val i = -077
-    a should be(__)
-    b should be(__)
-    c should be(__) //Hint: 30F = 783
-    d should be(__) //Hint: 077 = 63
-    e should be(__)
-    f should be(__)
-    g should be(__)
-    h should be(__) //Hint: 30F = 783
-    i should be(__) //Hint: 077 = 63
-  }
-
-  koan("""Long Literals are 64 bit, are specified by appending an L or l at the end;
-         |   l is rarely used since it looks like a 1""") {
-    val a = 2L
-    val b = 31L
-    val c = 0x30FL
-    val d = 077L
-    val e = 0L
-    val f = -2l
-    val g = -31L
-    val h = -0x30FL
-    val i = -077L
-
-    a should be(__)
-    b should be(__)
-    c should be(__) //Hint: 30F = 783
-    d should be(__) //Hint: 077 = 73
-    e should be(__)
-    f should be(__)
-    g should be(__)
-    h should be(__) //Hint: 30F = 783
-    i should be(__) //Hint: 077 = 63
-  }
-
-  koan("""Float and Double Literals are IEEE 754 for specific,
-         |   Float are 32-bit length, Doubles are 64-bit.
-         |   Floats can be coerced using a f or F suffix, and
-         |   Doubles can be coerced using a d or D suffix.
-         |   Exponent are specified using e or E.""") {
-
-    val a = 3.0
-    val b = 3.00
-    val c = 2.73
-    val d = 3f
-    val e = 3.22d
-    val f = 93e-9
-    val g = 93E-9
-    val h = 0.0
-    val i = 9.23E-9D
-
-    a should be(__)
-    b should be(__)
-    c should be(__)
-    d should be(__)
-    e should be(__)
-    f should be(__)
-    g should be(__)
-    h should be(__)
-    i should be(__)
-  }
-
-
-  koan("""Trick: To get a string representation of the
-          |   float or double literal add a space after the literal""") {
-    3.0.toString should be("3.0")
-    3.toString should be("3")
-    (3.toString) should be("3.0")
-    (3.0 toString) should be("3.0")
-    3d.toString should be("3.0")
-  }
-
-  koan("""Boolean literals are either true or false, using the true or false keyword""") {
-    val a = true
-    val b = false
-    a should be(__)
-    b should be(__)
-  }
-
-  koan("""Character Literals can either be an a single character,
-          |   an escape sequence, a Unicode octal up to 255 or a hexadecimal""") {
-    val a = 'a'
-    val b = 'B'
-    val c = '\u0061' //unicode for a
-    val d = '\141' //octal for a
-    val e = '\"'
-    val f = '\\'
-
-    //format(a) is a string format, meaning the "%c".format(x)
-    //will return the string representation of the char.
-
-    "%c".format(a) should be(__)
-    "%c".format(b) should be(__)
-    "%c".format(c) should be(__)
-    "%c".format(d) should be(__)
-    "%c".format(e) should be(__)
-    "%c".format(f) should be(__)
-  }
-
-  koan("""One-Line String Literals are surrounded by quotation marks.""") {
-    val a = "To be or not to be"
-    a should be(__)
-  }
-
-// hint \141 is an "a"
-  koan("""String Literals can contain escape sequences.""") {
-    val a = "An \141pple \141 d\141y keeps the doctor \141w\141y"
-    a should be(__)
-  }
-
-  koan("""Multiline String literals are surrounded by three quotation marks""") {
-    val a = """An apple a day
-    keeps the doctor away"""
-    a.split('\n').size should be(__) //a.split('\n').size determines the number of lines
-  }
-
-  koan("""Multiline String literals on subsequent lines can have | to specify
-          |   the start of the line, then use stripMargin to display it correctly""") {
-    val a = """An apple a day
-               |keeps the doctor away"""
-    a.stripMargin.split('\n')(1).charAt(0) should be(__) //a.stripMargin.split('\n')(1).charAt(0)
-    //gets the first character on the 2nd line
-  }
-}

# src/test/scala/org/functionalkoans/forscala/Koans.scala

override def nestedSuites = List(