title: Parse json to Object java/groovy
body: <p>I have following json with this format:</p>
  
  <pre><code> [ 
      ["Rio Branco", "1200401", "MU", "01392", "Acre", "AC", 
          ["PSB", "Marina Silva", 115594, 58.34, "N"], 
          ["PSDB", "A\u00e9cio Neves", 44676, 22.55, "N"], 
          ["PT", "Dilma", 35802, 18.07, "N"], 
          ["PSOL", "Luciana Genro", 648, 0.33, "N"], 
          ["PSC", "Pastor Everaldo", 520, 0.26, "N"], 
          ["PV", "Eduardo Jorge", 346, 0.17, "N"], 
          ["PRTB", "Levy Fidelix", 332, 0.17, "N"], 
          ["PSDC", "Eymael", 155, 0.08, "N"], 
          ["PSTU", "Z\u00e9 Maria", 39, 0.02, "N"], 
          ["PCB", "Mauro Iasi", 25, 0.01, "N"], 
          ["PCO", "Rui Costa Pimenta", 6, 0.0, "N"]
      ]
   ]
  </code></pre>
  
  <p>How can I parse this json without key names?
  Java codes or groovy/grails code.</p>
  
  <p>I'm do this... </p>
  
  <pre><code> def lista = new JsonSlurper().parseText(new File(jsonfilename).text) 
  lista.each { 
            //here I want to read the properties of son, but how can I without the key name?? 
      }
  </code></pre>