Groovy bug discovered by a coworker last week.

notsogroovy

#!/usr/bin/env groovy

/*
 * Simple key/value hash store & retrieve inspired by actual data
 *
 * $ groovy -v
 * Groovy Version: 2.1.0 JVM: 1.7.0_11 Vendor: Oracle Corporation OS: Mac OS X
 */


def h1 = [:]
term = "hello"
h1[term] = 1
h1.each {k,v -> println "key: [$k] with value: [$v]" }


/* *********************************************** */


try {
    def h2 = [:]
    term = "serialVersionUID"  // Here's a key you should apparently never use
    h2[term] = 2
    h2.each {k,v -> println "key: [$k] with value: [$v]" }
} catch (Exception e) {
    println "Seriously?! " + e
}


/* *********************************************** */

def h3 = [:]
term = "serialVersionUID"
h3.put(term, 3)  // At least this syntax doesn't Chernobyl
h3.each {k,v -> println "key: [$k] with value: [$v]" }