JSON Schema
JSON Schema Specification Documents//json-schema.org/specification.html
JSON Path
JSONPath to JSON is similar to XPath to XML. You can use JSONPath to extract JSON data structures.
XPath
You can use XPath to select nodes or sets of nodes in an XML document. Nodes are selected by following a path or steps.
Regular Expressions
View mozilla documentation for details.
CSV File Format
The following format specification is defined in RFC 4180.
Install Java Environment
1. Where to Download Java JDK