Decision tables: Difference between revisions
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Line 1,988:
Actions:
PC LOAD LETTER</pre>
=={{header|Scala}}==
{{trans|Java}}
<lang scala>import java.io.{BufferedReader, InputStreamReader}
import scala.util.control.Breaks
object DecisionTables {
val conditions = List(
("Printer prints", "NNNNYYYY"),
("A red light is flashing", "YYNNYYNN"),
("Printer is recognized by computer", "NYNYNYNY")
)
val actions = List(
("Check the power cable", "NNYNNNNN"),
("Check the printer-computer cable", "YNYNNNNN"),
("Ensure printer software is installed", "YNYNYNYN"),
("Check/replace ink", "YYNNNYNN"),
("Check for paper jam", "NYNYNNNN")
)
def main(args: Array[String]): Unit = {
// var x = (1, 2)
// println(x)
// println(conditions)
// println(actions)
val nc = conditions.size
val na = actions.size
val nr = conditions.head._2.length
val np = 7
val br = new BufferedReader(new InputStreamReader(System.in))
println("Please answer the following questions with a y or n:")
val answers = Array.ofDim[Boolean](nc)
for (c <- 0 until nc) {
var input = ""
do {
printf(" %s ? ", conditions(c)._1)
input = br.readLine().toUpperCase
} while (input != "Y" && input != "N")
answers(c) = input == "Y"
}
println("\nRecommended actions(s)")
val Outer = new Breaks
val Inner = new Breaks
Outer.breakable {
for (r <- 0 until nr) {
var outer = true
Inner.breakable {
for (c <- 0 until nc) {
val yn = if (answers(c)) 'Y' else 'N'
if (conditions(c)._2(r) != yn) {
outer = false
Inner.break
}
}
}
if (outer) {
if (r == np) {
println(" None (no problem detected)")
} else {
for (action <- actions) {
if (action._2(r) == 'Y') {
printf(" %s\n", action._1)
}
}
}
Outer.break
}
}
}
}
}</lang>
{{out}}
<pre>Please answer the following questions with a y or n:
Printer prints ? y
A red light is flashing ? y
Printer is recognized by computer ? y
Recommended actions(s)
Check/replace ink</pre>
=={{header|Sidef}}==
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