14
Task
Java Collections,
level 3,
lesson 5
Locked
My first serialization into JSON
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.6.1
1) The program does not fulfill the main requirement for serialization into JSON.
Find the bug and fix it.
2) Correctly arrange the JSON annotations on the classes.
All the data must be serialized.
8
Task
Java Collections,
level 3,
lesson 5
Locked
My second serialization into JSON
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.6.1
Add JSON annotations so that the main method produces the following:
{"wildAnimal":"Missy","over":3}
14
Task
Java Collections,
level 3,
lesson 5
Locked
Deserializing a JSON object
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.6.1
In the convertFromJsonToNormal method, the first parameter is the name of a file that contains one JSON object.
The second parameter is the name of the class of the object serialized in the file.
14
Task
Java Collections,
level 3,
lesson 5
Locked
Using JSON to convert from one class to another
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.6.1
Two classes have the same fields, but they don't have a common superclass. Example, First and Second classes.
Implement the convertOneToAnother method, which should return an instance of the resultClassObject class.
14
Task
Java Collections,
level 3,
lesson 5
Locked
Using JSON to convert from one class to another
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.8.1
Add JSON annotations so that the main method.
14
Task
Java Collections,
level 3,
lesson 5
Locked
Strange mistake
REQUIRED CONNECTED LIBRARIES: Jackson Core, Bind and Annotation 2.6.1
Running the code in the Solution class's main method results in a strange error
during JSON serialization/deserialization. The sampleJsonString string should be displayed,
but that's not exactly what happens.
14
Task
Java Collections,
level 3,
lesson 5
Locked
Serializing a zoo
Make it so that a type is added to each element of the animals list when you serialize a Zoo object (dog for the Dog class, cat for the Cat class).
To check, you can use the Solution class's main method.
Before:
{"animals":[{"name":"doggy","barkVolume":0.0},{"name":"catty","lives":0}]}.
8
Task
Java Collections,
level 3,
lesson 5
Locked
Serializing a date into JSON
Using the JsonFormat annotation, make it so the Event class's field containing a date is serialized
in the format (dd-MM-yyyy hh:mm:ss).
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