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8254161: Prevent instantiation of EnumSet subclasses through deserialization #611

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8254161: Prevent instantiation of EnumSet subclasses through deserialization #611

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11 changes: 11 additions & 0 deletions src/java.base/share/classes/java/util/EnumSet.java
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Original file line number Diff line number Diff line change
@@ -480,6 +480,7 @@ Object writeReplace() {
}

/**
* Throws {@code InvalidObjectException}.
* @param s the stream
* @throws java.io.InvalidObjectException always
*/
@@ -488,4 +489,14 @@ private void readObject(java.io.ObjectInputStream s)
throws java.io.InvalidObjectException {
throw new java.io.InvalidObjectException("Proxy required");
}

/**
* Throws {@code InvalidObjectException}.
* @throws java.io.InvalidObjectException always
*/
@java.io.Serial
private void readObjectNoData()
throws java.io.InvalidObjectException {
throw new java.io.InvalidObjectException("Proxy required");
}
}