Which strings will be parsed as null by FastJson?

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Which strings will be parsed as null by FastJsonWhat?

Introduction to fastjson

fastjson is Alibaba's open source JSON parser
It can parse strings in JSON format
Supports serialization of Java Beans to JSON strings
Can also deserialize from JSON strings to JavaBeans

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The following author will describe the related instructions that the string will be parsed as null by FastJson, as shown below: Example:

public static void main(String[] args) {
String sourceStr = "";
JSONObject jsonObject = JSONObject.parseObject(sourceStr);
System.out.println(jsonObject);
}

When sourceStr is null or empty string
jsonObject will be parsed as null

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