XML vs. JSON?

jobs.json

{
    "jobs":[
        {
            "jobname":"ServerPingJob.groovy",
            "period":5,
            "timeUnit":"SECONDS",
            "jobMode":"ASYNCHRONOUS",
            "disabled":true,
            "params":[
                {
                    "foo":"bar",
                    "foooo1":"baz"
                }
            ]
        },

        {
            "jobname":"SayHello.rb",
            "cronExpression":"*/30 * * * * ?",
            "jobMode":"SYNCHRONOUS",
            "params":[
                {
                    "name":"yarin"
                }
            ]
        }
    ]
}

jobs.xml

<?xml version="1.0" encoding="UTF-8"?>
<jobs>
    <job name="ServerPingJob.groovy" period="5" timeUnit="SECONDS" jobMode="SYNCHRONOUS" disabled="true">
        <params>
            <param key="foooo" value="bar"/>
            <param key="fooo1" value="bar2"/>
        </params>
    </job>

    <job name="SayHello.groovy" cron="*/30 * * * * ?" jobMode="ASYNCHRONOUS">
        <params>
            <param key="name" value="yarin"/>
        </params>
    </job>
</jobs>

XML is for markup, JSON is for objects. It's as simple as that.