Groovy example source code file (knowYourTables.groovy)

This example Groovy source code file (knowYourTables.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

correct, correct, exception, exception, the, the, what, what

The Groovy knowYourTables.groovy source code

/** 
 * Simple mathematics quiz
 * @author: Jeremy Rayner
 * based on algorithms from INPUT/Marshall Cavendish/1984
 */
while (true) {
    try {
        def n = (int)(Math.random() * 12) + 1
        println "What is $n times 9?"
        def a = System.in.readLine().toInteger()
        if (a == n * 9) println "Correct"
              
    } catch (Exception e) {
        println "The computer didn't understand your input"
    }
}