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Json Jolt Tutorial

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Content: (Sorry that it's my first time to write English document,if anybody can help me rewrite this article,contact me E-Mail zhangchengk@foxmail.com or leave a messang below. And the original article where I put is on  https://nifichina.github.io/jolt/joltdoc.html ) If there is any mistake, please leave a message.If reproduced, please indicate the source. Jolt GitHub:  https://github.com/bazaarvoice/jolt Jolt online demo:  https://jolt-demo.appspot.com JSON to JSON transformation library written in Java where the "specification" for the transform is itself a JSON document.In the following documents, I use 'Spec' instead of "specification" json document . LHS(left hand side) represents the keys of Spec json, and RHS(right hand side) represents the values of Spec json. Some of the examples are referenced Jolt source code comment documents. Useful For: Transforming JSON data from ElasticSearch, MongoDb, Cassandra, etc before sending it of