WebDec 12, 2024 · Firebase Cloud Messaging is a real-time solution for sending notifications to client apps without any kind of charges.FCM can reliably transfer notifications of up to 4Kb of payload. In this article, a sample app showing how this service can be availed is developed. Though FCM also allows sending out notifications using an app server, here … WebApr 8, 2024 · The toString() provides a String representation of an object and is used to convert an object to a String. The default toString() method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@’, and the unsigned hexadecimal representation of the hash code of the object.
ORM — отвратительный анти-паттерн / Хабр
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Part 3 - Java Bootcamp – Workbooks and Challenges
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