i have JSON object like this "stats": { ...

# android

[hungpham1201]

i have JSON object like this
"stats": {
"listeners": "2164284",
"playcount": "58950551"
}
and i use data class
data class Stats(var listeners: String?, var playcount: String?)
for parse JSON to object, and working fine.
Why i dont need use @SerializedName for parse? Please explain.