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Your Question: Can the Bytecode Be Written in Java Be Run on Android?

Sarah Jenkins • • 5 min read
Your Question: Can the Bytecode Be Written in Java Be Run on Android?
Contents

Java bytecode in Java Archive (JAR) files is not executed by Android devices. Instead, Java classes are compiled into a proprietary bytecode format and run on Dalvik (or compiled version thereof with newer ART), a specialized virtual machine (VM) designed for Android.

Can we run Java bytecode on Android?

We cannot run Java Bytecode on Android because: Android uses Dalvik VM(virtual machine) instead of Java VM. To run a Java Bytecode you need JVM( Java Virtual Machine). Java in computers and Android uses a separate environment to run their code.

Why JVM is not used in Android?

Though JVM is free, it was under GPL license, which is not good for Android as most the Android is under Apache license. JVM was designed for desktops and it is too heavy for embedded devices. DVM takes less memory, runs and loads faster compared to JVM.

Sarah Jenkins
Author

Sarah Jenkins

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.