title: NSJSON Serialization
body: <p>I am new to <code>NSJSONSerialization</code>.
  Here's my browser output:</p>
  
  <pre><code>{
    "appointment": [
      {
        "w1": "Mallya Hospital",
        "w2": "Nagarjuna Hospital",
        "w3": "Mallige     Hospital",
        "w4": "Mallya Hospital",
        "t1": [
          "08:00 - 08:25",
          "08:25 - 08:50",
          "08:50 - 09:15",
          "09:15 - 09:40"
        ],
        "t2": [
          "14:00 - 14:05",
          "14:05 - 14:10",
          "14:10 - 14:15",
          "14:15 - 14:20",
          "14:20 - 14:25",
          "14:25 - 14:30",
          "14:30 - 14:35",
          "14:35 - 14:40",
          "14:40 - 14:45",
          "14:45 - 14:50",
          "14:50 - 14:55",
          "14:55 - 15:00",
          "15:00 - 15:05",
          "15:05 - 15:10",
          "15:10 - 15:15",
          "15:15 - 15:20",
          "15:20 - 15:25",
          "15:25 - 15:30",
          "15:30 - 15:35",
          "15:35 - 15:40",
          "15:40 - 15:45",
          "15:45 - 15:50",
          "15:50 - 15:55"
        ],
        "t3": [
          "14:00 - 14:35",
          "14:35 - 15:10",
          "15:10 - 15:45"
        ],
        "t4": [
          "16:30 - 17:15",
          "17:15 - 18:00"
        ],
        "tp1": "25",
        "tp2": "5",
        "tp3": "35",
        "tp4": "45",
        "ts1": "8:00 - 10:00",
        "ts2": "14:00 - 16:00",
        "ts3": "14:00 - 16:00",
        "ts4": "16:30 - 18:30",
        "offdays": "4-6"
      }
    ]
  }
  </code></pre>
  
  <p>I need to pass the timings into  labels and hospital names into another. How can I use <code>NSJSONSerialization</code> to get timings given above? </p>