What does the JsonElement class represent in GSON?
A) A generic JSON element that could be a JSON object, array, or value
B) A JSON object
C) A JSON array
D) A JSON primitive value
Answer:
A) A generic JSON element that could be a JSON object, array, or value
Explanation:
The JsonElement
class in GSON represents a generic JSON element that could be a JSON object, array, or primitive value (such as a string, number, or boolean). It is the root class of the JSON hierarchy in GSON, and it provides methods for navigating and manipulating JSON structures.
For example:
JsonElement element = new JsonParser().parse(jsonString);
if (element.isJsonObject()) {
JsonObject jsonObject = element.getAsJsonObject();
}
In this example, the JsonElement
is parsed from a JSON string and then checked to see if it is a JSON object. The JsonElement
class provides methods like isJsonObject()
, isJsonArray()
, and getAsJsonPrimitive()
to work with different types of JSON elements.