Oracle Java SE 17 Developer Pro 1Z0-829 Practice Test 2026

About this course

Prepare for the Oracle Certified Professional: Java SE 17 Developer (1Z0-829) exam with a comprehensive collection of realistic practice tests based on the latest exam objectives. Designed to simulate the certification experience, these practice tests help you evaluate your knowledge, strengthen core Java SE 17 skills, identify areas for improvement, and approach exam day with confidence.This course includes 335+ carefully crafted practice questions across five full-length practice tests aligned with the latest Oracle Java SE 17 Developer Professional exam objectives. Covering Java fundamentals, object-oriented programming, collections, streams, concurrency, modules, JDBC, localization, and more, these practice tests help you identify knowledge gaps and build exam confidence.What You'll PracticeJava primitives, wrapper classes, type casting, and the Math APIString, StringBuilder, and Text BlocksDate-Time API, Duration, Period, Instant, and time zonesProgram flow with if/else, switch expressions, loops, break, and continueClasses, records, nested classes, constructors, and object lifecycleEncapsulation, immutability, inheritance, polymorphism, and sealed classesInterfaces, functional interfaces, enumerations, and Java annotationsException handling, custom exceptions, and try-with-resourcesArrays and the Java Collections FrameworkLambda expressions, Streams API, Collectors, grouping, and parallel streamsJava Platform Module System (JPMS) and modular applicationsMultithreading, Executor Services, synchronization, and concurrent programmingJava I/O, NIO.2 Files API, serialization, and Path operationsJDBC connections, SQL statements, prepared statements, and transactionsLocalization with Locales, Res