JSON | JavaScript Object Notation

JSON

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• JSON Stands for JavaScript Object Notation.
• JSON is used for exchanging and storing data.
• JSON is an easier to use alternative to XML.
• JSON is a lightweight data-interchange format.
• JSON is language independent.
• JSON is “self-describing” and easy to understand.

JSON example defines Students object with an array of three students:

{"students":[

    {"FirstName":"ravi", "Lastname":"srivastva"},

    {"FirstName":"Anju", "LastName":"Anju"},

    {"FirstName":"Sanjeev", "LastName":"rai"}

]}

JSON Objects

Inside curly braces write json objects like:

1	{"Name": "ravi", "Profile":"Student"}

JSON Array

Json array must be written inside square braces.
like:

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"student": [     {"Name":"Ravi", "Course":"PHP"},     {"Name":"Abhi", "Course":"JAVA"},     {"Name":"Rexx","Course":"PHP"} ]

The following XML example also defines Students object with 3 students records:

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<students>    <student>         <FirstName>ravi</FirstName>         <LastName>srivastva</LastName>     </student>     <student>         <FirstName>Anju</FirstName>         <LastName>Anju</LastName>     </student>     <student>         <FirstName>Sanjeev</FirstName>         <LastName>rai</LastName>     </student> </students>