How to add classpath in an Android Studio project

Question

I have an Android project with an Android application that depends on a pure Java library (and the Java library uses some others compiled jars libraries).
I added the de

Answer 1

Add this lines to build.gradle of app module.

dependencies {
    ...
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation files('libs/mysql-connector-java-8.0.16')
    ...
}