Master all official Oracle 1Z0-829 exam objectives for Java SE 17 Developer Certification
Confidently work with primitives, wrapper classes, type promotion, and casting in Java
Manipulate text effectively using String, StringBuilder, and text blocks
Work with Date-Time API for dates, times, durations, instants, time zones, and DST
Implement program control flow using if/else, loops, break/continue, and enhanced switch
Design and use classes, records, enums, and nested classes with proper encapsulation and immutability
Apply inheritance, polymorphism, sealed classes, and pattern matching in real-world scenarios
Handle exceptions with try/catch/finally, multi-catch, try-with-resources, and custom exceptions
Create, manipulate, and sort arrays, Lists, Sets, Maps, and Deques
Use streams and lambda expressions to filter, map, group, and reduce data in sequential and parallel processing
Package and deploy code using the Java Platform Module System (JPMS), modular JARs, and runtime images
Write thread-safe concurrent applications with Runnable, Callable, ExecutorService, locks, and parallel streams
Perform file I/O and NIO.2 operations, including serialization, deserialization, and path manipulation
Access databases with JDBC: connections, prepared statements, result sets, and transaction management
Implement localization, annotations, logging, and generics to build internationalized, maintainable Java applications
