msal
· Microsoft Identity library for Android gives you the ability to add authentication to your application with just a few lines of additional code. Using our MSAL SDKs you can quickly and easily extend your existing application to all the employees that use MSA, B2C, Azure AD and Active Directory on-premises using Active Directory Federation Services, including Office365 customers.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window msal-4.7.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.