This post assumes, you are an experienced developer who wants to get started with the latest version of Android. Android O is not a huge update to the OS and application framework like M but it still has many useful features for both developer and an user. Android O has focus on below areas. Notification redesigned Picture-in-Picture(PIP) Visual adaption for different devices Battery life improved Setting app reorganized Notification redesigned: Android O notification changes includes more easy and manageable way to manager your notification behavior and settings. It includes: Notification Channel: Notification channel allows you to create user customizable channel for each type of notification you wanna display. A single application can have multiple channel, a separate channel for each type of notification you wanna display. Having said this, you can create s separate channel for audio & image notification. User can disable specific notification channel instead
Java 1.8 has introduced major features for the Java developers. It includes various upgrade to the Java programming, JVM, Tools and libraries. The main purpose of Java 1.8 release has been to simplify programming, utilize functional programming benefits and enable parallel programming/processing in Java programming language. Java 1.8 feature Lambda(->) Expression Functional interfaces Default Methods in interface static method inside interface Pre defined functional interfaces Predicate Function Consumer ::(Method reference and constructor reference by using double colon(::)operator) Stream API Date & Time API