Current versions of Android use the latest Java language and its libraries (but not full graphical user interface (GUI) frameworks), not the Apache Harmony Java implementation, that older versions used. Java 8 source code that works in latest version of Android, can be made to work in older versions of Android.
Can Java Run on Android?
Java is technically not supported on Android X Research source , meaning that you can’t run JAR files or visit websites with Java content. … If you want to run a JAR file on your phone, you will need to gain root access and then install an emulator.
Can I use Java 11 for Android?
The gap between Java 8 and Java 9 in terms of build compatibility has been overcome and more modern Java versions (up to Java 11) are officially supported on Android.