Level 20: level plan and extras. materials

Level Plan:

• Serialization
• Serialization/Deserialization
• transient
• Serializable, Externalizable

What else you can see in your spare time:

• Serialization of objects
• Serialization as it is
• More useful material
• "Hello World!" or have you not become too long a disciple?

The first 20 levels are an overview of Java. And you passed them successfully. I think you've already read " Head First Java ", which I recommended you start reading at level 4 . It's time to start reading the book " Thinking in Java " . I think you know where to get it. The main thing is don't give up! Read this motivating article again . Each reading will give you new insight into your learning progress.

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