Problem scenario
You are running a Groovy program.  

Here is your code:

def input = System.console().readLine ‘Please provide some input: ‘
def x = input
def boardArray = new String[2]
boardArray[0] = “”
boardArray[1] = “”
boardArray[1] = $x //this is the incorrect version
println boardArray[1]

When you run it (i.e., with groovy foobar.groovy), you get this error:

Caught: groovy.lang.MissingPropertyException: No such property: $x for class:
groovy.lang.MissingPropertyException: No such property

What should you do?

…

Continue reading “How Do You Troubleshoot “groovy.lang.MissingPropertyException: No such property” when running a Groovy Program?”

Problem scenario
You have an object that you want to sequentially pass through.  That is, you want to print either the value or the key/name and value pair of every member data item of the object.  How do you print every individual data member of a given object in Groovy?

Solution
Invoke the “.properties.each” keyword.  This built-in feature will allow you to do just this.  There is one “if” condition you will use to avoid printing the “class=class …” feature.

…

Continue reading “How Do You Iterate through Data Members (the Individual Components) of a Groovy Object?”