1Z0-829 Java 17 Modern Java 17 Features Guide

Study 1Z0-829 Java 17 Modern Java 17 Features: key concepts, common traps, and exam decision cues.

This chapter matters because Oracle is explicitly testing JDK 17-era language behavior. These features are not decorative. They affect legality, modeling, and code-reading outcomes.

Work this chapter in order

Lesson	Focus
8.1 Records, Sealed and Switch	Learn how the exam tests modern syntax and what it changes in real Java behavior.

Fast routing inside this chapter

If the question is really about…	Go first to…
records or concise data modeling	8.1 Records, Sealed and Switch
sealed hierarchies or restricted extension	8.1 Records, Sealed and Switch
text blocks, pattern matching, or modern switch behavior	8.1 Records, Sealed and Switch

What strong answers usually do

treat each Java 17 feature as a rule set, not as cosmetic syntax
connect sealed hierarchies to pattern reasoning and exhaustive design
remember text blocks are still strings with exact formatting behavior

In this section

1Z0-829 Java 17 Records, Sealed Types, Switch, and Text Blocks Guide
Study 1Z0-829 Java 17 Records, Sealed Types, Switch, and Text Blocks: key concepts, common traps, and exam decision cues.

Revised on Sunday, May 10, 2026

7. Streams

9. Modules