Handling Date, Time, Text, Numeric and Boolean Values
Use primitives and wrapper classes. Evaluate arithmetic and boolean expressions using the Math API, precedence rules, type conversions, and casting
Manipulate text, including text blocks, using String and StringBuilder classes
Manipulate date, time, duration, period, instant, and time-zone objects including daylight saving time using Date-Time API

Implementing Program Flow Control Using Decision and Looping Constructs
Create program flow control constructs including if/else, switch statements and expressions, loops, and break and continue statements

Applying Object-Oriented Principles in Java Programs
Declare and instantiate Java objects including nested class objects, and explain the object life-cycle including creation, reassigning references, and garbage collection
Create classes and records, and define and use instance and static fields and methods, constructors including flexible constructor bodies, and instance and static initializers
Implement overloaded methods, including var-arg methods
Understand variable scopes, apply encapsulation, create immutable objects, and use local variable type inference and unnamed variables
Implement inheritance, including abstract and sealed types as well as record classes. Override methods including Object class methods. Implement polymorphism and differentiate between object type and reference type
Create and use interfaces, identify functional interfaces, and utilize private, static, and default interface methods
Create and use enum types with fields, methods, and constructors

Implementing Exception Handling in Java Applications
Handle exceptions using try/catch/finally, try-with-resources, multi-catch blocks, and custom exceptions

Using Arrays and Collections to Store and Retrieve Data
Create arrays, List, Set, Map, Deque, and sequenced collections, and add, remove, update, retrieve, and sort their elements

Processing Data Using Streams and Lambda Expressions
Use Java object and primitive Streams, including lambda expressions implementing functional interfaces, to create, filter, transform, process, and sort data
Perform decomposition, concatenation, reduction, grouping and partitioning, and gather operations on sequential and parallel streams

Packaging and Deploying Java Code
Define modules and expose module content including reflection access, declare module dependencies, define services, providers, and consumers, and use module import declarations
Compile and run Java source code including compact source files, instance main methods, and multi-file source-code programs
Create modular and non-modular JARs and runtime images, and implement migration using unnamed and automatic modules

Implementing Multithreading for Concurrent Code Execution
Create platform and virtual threads. Use Runnable and Callable objects, manage the thread lifecycle, utilize Executor services and concurrent API to run tasks, and use scoped values to share immutable context
Develop thread-safe code using locking mechanisms and concurrent API
Process Java collections concurrently and utilize parallel streams

Performing Input and Output Operations Using the Java I/O API
Read and write console and file data using I/O streams
Serialize and de-serialize Java objects
Construct, traverse, create, read, and write Path objects and their properties using java.nio.file API

Developing Applications with Localization Support
Implement localization using locales and resource bundles
Parse and format messages, dates, times, and numbers including currency and percentage values