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JavaAdvanced#serialization
JavaIntermediate#serialization
What happens to static and transient fields during serialization?
Static fields belong to the class, not an instance, so they are never serialized. transient fields are explicitly excluded from serialization and get their default value (e.g., null, 0) upon deserialization.
Example
class Account implements Serializable {
String owner;
transient String password; // excluded from serialized bytes
}