Java parsing JSON data

JSON is the most popular lightweight data exchange language (none). Although it is a subset of JavaScript, it can be supported by almost all programming languages because it is a language independent text format.

The following is a summary of parsing JSON data in the Java language.

To parse JSON, first import the tool class that parses JSON.

We all know that there are JSON objects and JSON arrays in JSON (JSON data is an array of JSON objects)

JSON object in braces

For example: {"key", "value"}

JSON array in square brackets

For example: [{"key", "value"}, {"key", "value"}]

1 parsing JSON objects

Suppose the data is {"key", "value"}

Sometimes the data of a JSON object is a JSON array. The following method can be used to extract the JSON object from the JSON object

2. Parse JSON array

The above is a summary of the methods of parsing JSON data. Because of the flexibility of JSON data, it is necessary to use these methods flexibly to parse the data well

summary

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