Core Java. Write professional Java.

Your first programs: values, text and decisions.

Topics covered

• The JDK, compiling and running programs
• Primitive types, wrappers and text
• Operators and Boolean logic
• Dates and times

You produce: small console programs.

Loops, switch, methods and arrays.

Topics covered

• if, switch expressions and pattern matching
• for, while and do loops
• Methods and parameters
• Arrays

You produce: a menu-driven console application.

Classes, interfaces, inheritance and polymorphism.

Topics covered

• Classes, objects and encapsulation
• Inheritance, interfaces and polymorphism
• Records and sealed classes
• Nested classes and enums

You produce: a small object-oriented application.

Robust code and reusable types.

Topics covered

• Checked and unchecked exceptions
• try-with-resources and custom exceptions
• Generics and bounded types

You produce: error handling for your application.

Working with data the modern Java way.

Topics covered

• Lists, sets, maps and sequenced collections
• Lambda expressions and functional interfaces
• Streams: filter, map and collect
• Parallel streams

You produce: a data-processing program with streams.

Running tasks together and working with files.

Topics covered

• Threads, executors and virtual threads
• Thread safety and concurrent collections
• Files and streams with java.io and java.nio

You produce: a concurrent file-processing program.

Deploying Java code for the real world.

Topics covered

• Packages, modules and JAR files
• Localization and formatting
• Running and deploying Java code

You produce: a packaged, modular application.

A review of every 1Z0-830 topic and code-reading practice.

Topics covered

• Review of the ten exam topic areas
• Reading code and predicting output
• Exam strategy

You produce: an exam-readiness review.