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Suppose you need to have bilateral conversion from json to object and vice versa. So, in this article you’ll find out how to: Build object from json Convert object to json If you need to rename some of the properties in the target json, you can make it this way: Here you go!
READ MORESuppose you want to serialize some object to JSON. You may encounter the exception: We need to do two steps: Firstly, let’s add dependency from https://mvnrepository.com/artifact/com.fasterxml.jackson.datatype/jackson-datatype-jsr310. Next, let’s register JavaTimeModule within ObjectMapper: If you working with Spring or with some other framework, ObjectMapper can be instantiated implicitly. You need to override instantiation by yourself. For […]
READ MORESuppose that you have this exception: Most often this happens due to syntax errors in the original JSON. Firstly, check that your source JSON is NOT empty string! Then check your syntax, for example, that you do not have extra space: Or extra commas:
READ MORESuppose you are trying to do something like: But the output is something like: There are at least two reasons: Configuration file does not exist; Setters for MyConfiguration.class are named incorrectly or cannot be accessed.
READ MOREException text: Most likely the code looks like this: The error is that the names of getter and setter are not consistent with the corresponding field. getVar2() and setVar2() should be named getVar1() and setVar1():
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