The Java transient keyword is used on class attributes/variables to indicate that serialization process of such class should ignore such variables while creating a persistent byte stream for any instance of that class.
The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process. In this example, the thumbnailImage is a thumbnail image that is generated by invoking the generateThumbnail method.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | class GalleryImage implements Serializable { private Image image; private transient Image thumbnailImage; private void generateThumbnail() { // Generate thumbnail. } private void readObject(ObjectInputStream inputStream) throws IOException, ClassNotFoundException { inputStream.defaultReadObject(); generateThumbnail(); } } |
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