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EDD-215 JSON (JavaScript Object Notation) is a lightweight data interchange format that is widely used for various purposes, including the development of web services and applications. JSON is easy to read and write, and it is supported by many popular programming languages. JSON is also extensively used in the academic and industry sector because of its simplicity, efficiency, and ability to be easily expanded. Following is a JSON example that defines a simple profile of a person: ```json { "name": "John Doe", "age": "25", "address": { "city": "City A", "state": "State of A", "country": "Country A" }, "hobbies": ["reading", "cooking", "pets"], "is_member": true } ``` As seen in the example, JSON has many data types, including number, strings, booleans, and arrays. JSON also allows nested objects, as evidenced by the "address" object in the example. This relatively simple JSON format is used to define and transmit structured data that can be readily used by many different programming languages and protocols. This is just a simple example of how JSON can be used in basically any case. Individuals can easily use JSON to create and transmit structured data from computers and systems. JSON is also used to store information into and read information from files, as well as to communicate data among applications and services that interact each other. Here is an example of how JSON can be used to define a list of animals in a zoo demo: ```json [ { "name": "Lion", "scientific": "Panthera Leo", "weight": "400 lb", "height": "2.6 ft" }, { "name": "Elephant", "scientific": "Elephas Maximus", "weight": "12.1 tons", "height": "10.5 ft" }, { "name": "Chameleon", "scientific": "Chamaeleonidae", "weight": "400 g", "height": "20.0 cm" } ] ``` As revealed in the example, JSON is used to define structured data that can be accessed by in any programming language and can be used in a wide variety of applications and services. 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2012年12月28日115 分