March 2023
Intermediate to advanced
1851 pages
66h 25m
English
book
OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide
by Khalid A. Mughal, Vasily A. Strelnikov
Content preview from OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide
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Generics 11
Chapter Topics
Understanding the relationship between generic types, parameterized types, and raw types
Declaring generic types (normal classes, record classes, enum types and interfaces) and parameterized types
Use of the diamond operator (
<>) when creating objects of generic classesUsing the restricted keyword
varto declare local generic type referencesExtending generic types
Understanding the folly of mixing generic code and legacy code
Understanding the significance of unchecked warnings on type-safety
Understanding subtype relationships for wildcards
Understanding type hierarchy for wildcard parameterized types
Understanding ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.