JSON is JavaScript Object Notation. It is a lightweight data-interchange format and language independent also. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript etc. These properties make JSON an ideal data-interchange language.
JSON data comes in two structures
JSON value can be string, number, null, array, object.
JSON data can one of these form(s).
Name/Value pair
JSON data is written as name/value pairs.
A name/value pair consists of a field name in double quotes, followed by a colon, followed by a value.
e.g. "age" : "28"
JSON Objects
JSON objects are written inside curly brackets,
Objects can contain multiple name/values pairs:
e.g. { "Name":"John" , "age":"28" }
JSON Arrays
JSON arrays are written inside square brackets.
An array can contain multiple objects:
e.g. {
"employees":
[
{ "Name":"John" , "age":"28" },
{ "Name":"mick" , "age":"23" }
]
}
The MIME type for JSON text is "application/json".
JSON data comes in two structures
- Name/Value pairs
- An ordered list of values
JSON value can be string, number, null, array, object.
JSON data can one of these form(s).
Name/Value pair
JSON data is written as name/value pairs.
A name/value pair consists of a field name in double quotes, followed by a colon, followed by a value.
e.g. "age" : "28"
JSON Objects
JSON objects are written inside curly brackets,
Objects can contain multiple name/values pairs:
e.g. { "Name":"John" , "age":"28" }
JSON Arrays
JSON arrays are written inside square brackets.
An array can contain multiple objects:
e.g. {
"employees":
[
{ "Name":"John" , "age":"28" },
{ "Name":"mick" , "age":"23" }
]
}
The MIME type for JSON text is "application/json".
