For nearly 10 years, Google has argued that its use of Java API in building Android was to create an ecosystem in which Java programmers could more easily create Android apps.

Telephony manager, which is part of the Android application framework, provides a telephony API to user applications. It consists of the android.telephony and android.telephony.gsm Java packages.

In a ruling on Monday, the Supreme Court found that Google could legally use elements of Oracle’s Java application programming interface (API) code when building Android.