Time to completeApprox. 2 hours
Certificate of completionIncluded with paid plans
Prerequisites1 courseWe suggest you complete the following courses before you get started with Learn Intermediate Java: Serialization:
- Learn Java
About this course
Often, when creating Java applications and working with objects, we find the need to persist them. Specifically, we need to be able to store an object’s state (member fields) in files, in memory, or in a database. Java provides the Serializable interface to do just that.
Skills you'll gain
Use Java’s Serializable interface
Handle common serialization Exceptions
Implement writeObject() and readObject()
Hands-on learningDon’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Reviews from learners
- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Unlock additional features with a paid plan
Practice ProjectsGuided projects that help you solidify the skills and concepts you're learning.
AssessmentsAuto-graded quizzes and immediate feedback help you reinforce your skills as you learn.
Certificate of CompletionEarn a document to prove you've completed a course or path that you can share with your network.