Java is the programming language that is used for Android application development since its inception back in 2008. Well, there are many languages that could be used to build Android applications like C#, C++, Kotlin, Python, (HTML, CSS & JavaScript), etc. Java is extensively used in developing applications because of its high acceptance with Google and a very large online community supporting it. If you are aspiring for a career in Android Application development, then I would highly recommend you to learn Java and enroll in a Java certification course. Also, I would suggest you watch our YouTube video made by our experts on How to Learn Programming Language Fast.