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Core Java packages in Android

Core Java packages in Android: Java Design Patterns and APIs for Android
Core Java packages in Android: Java Design Patterns and APIs for Android

The Android SDK’s Java implementation includes packages that exactly follow Oracle’s API specifications. You’ll see no differences between, say, the classes in the java.lang package such as String, Integer, and other type helper classes. It’s the implementation of these classes and packages that differs between Oracle’s and Android’s virtual machines. Up through the current version of Android, Marshmallow, Android’s Java implementation is based on the now-discontinued Apache Harmony project. Starting in the next version of Android, which will have a code name starting with the letter N, implementations of these packages will based on OpenJDK, a free and open source version of Java Standard Edition that’s provided directly by Oracle.

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Skill Level Beginner
3h 12m
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Skills covered in this course
Developer Mobile Apps Programming Languages Java

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