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Collection<Throwable> exceptions =
    facade.validator().validate(
        Validation.Config.forJsonObject(objectHandler.getValue())
        //By calling this method the validation will be performed on the entire document,
        //otherwise the validation will stop at the first exception thrown
        .withCompleteValidation()
     );

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facade.validator().registerCheck(
    //Checking whether a value in any field marked as required 
    //(e.g.: @JsonProperty(value = "answer", required = true)) is null
    Check.forAll().checkMandatory(),
    //Checking whether a string value in any field is empty
    Check.forAllStringValues().execute(pathValidationContext -> {
        if (pathValidationContext.getValue() != null && pathValidationContext.getValue().trim().equals("")) {
            pathValidationContext.rejectValue("IS_EMPTY", "is empty");
        }
    })	

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//Searching for the first occurrence by path suffix and convert it
Map<String, Object> sportAsMap = finderAndConverter.findFirstForPathEndsWith("sport");

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ObjectHandler.Finder finderAndConverter = objectHandler.newValueFinderAndConverter();

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//Searching for the first occurrence by path suffix
Sport sport = finder.findFirstForPathEndsWith("sport");

String option2OfSportQuestion = finder.findFirstForPathEndsWith(Path.of("sport", "q1", "options[1]"));
Question questionOne = finder.findForPathEquals(Path.of("quiz", "sport", "q1"));

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ObjectHandler.Finder finder = objectHandler.newValueFinder();

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//Searching for the first occurrence by path suffix
ObjectHandler sportOH = finder.findFirstForPathEndsWith("sport");

//Retrieving the path of the sport object ("quiz.sport")
String sportPath = sportOH.getPath();

//Retrieving the value of the sport object
Sport sport = sportOH.getValue();

ObjectHandler option2OfSportQuestionOH = finder.findFirstForPathEndsWith(Path.of("sport", "q1", "options[1]"));

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ObjectHandler.Finder finder = objectHandler.newFinder();

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Facade facade = Facade.create();
//Loading the JSON object 
ObjectHandler objectHandler = facade.newObjectHandler(
    ObjectHandlerTest.class.getClassLoader().getResourceAsStream("quiz.json"),
    Root.class
);

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{
    "quiz": {
        "sport": {
            "q1": {
                "question": "Which one is correct team name in NBA?",
                "options": [
                    "New York Bulls",
                    "Los Angeles Kings",
                    "Golden State Warriros",
                    "Huston Rocket"