title: different types of JSON
body: <p>I was looking at this question </p>
  
  <p><a href="https://stackoverflow.com/a/17269424/2609157"><strong><em>What is JSON and why would I use it?</em></strong></a></p>
  
  <p>I am confused between different names given to JSON structures </p>
  
  <ul>
  <li>What is a simple JSON ?</li>
  <li>array of JSON ?</li>
  <li>array of JSON array ?</li>
  <li>others possible any</li>
  </ul>
  
  <p><strong>Example 1 :</strong> what is this called</p>
  
  <pre><code>{
      "MIT_COLLEGE": [
                      {
                        "_id": 1,
                        "StudentName": "Sam",
                        "Student_Age": "24",
                        "Student_phone": "8725436232",
                        "Student_sex": "Male",
                      },
                      {
                        "_id": 2,
                        "StudentName": "kira",
                        "Student_Age": "22",
                        "Student_phone": "8725136232",
                        "Student_sex": "Female",
                      }
                     ],
      "CAMBRIDGE_COLLEGE": [
                            {
                             "_id": 1,
                             "StudentName": "Paul",
                             "Student_Age": "26",
                             "Student_phone": "87333336232",
                             "Student_sex": "Male",
                            },
                            {
                             "_id": 2,
                             "StudentName": "michael",
                             "Student_Age": "22",
                             "Student_phone": "872115436232",
                             "Student_sex": "Male",
                            }
                      ]
  }
  </code></pre>
  
  <p><strong>Example 2::</strong> what is this called</p>
  
  <pre><code>                             {
                                 "_id": 2,
                                 "StudentName": "michael",
                                 "Student_Age": "22",
                                 "Student_phone": "872115436232",
                                 "Student_sex": "Male",
                                }
  </code></pre>
  
  <p><strong>Other possible structures in JSON and what is it called ?</strong></p>
  
  <p><strong>Thanks ... hope i am clear</strong></p>