By the end of the live online course, you’ll understand:
- Language features such as switch expressions, sealed classes, and pattern matching
- Core APIs such as date/time, Stream/parallel Stream, and executor services
- Tricky, and recently added, features of Java
Prerequisites
- Working knowledge of Java programming
- Good familiarity with Java's long-standing features, up to Java 8
Segment 1: Introduction
- What to expect
- Study and learning guidance
Segment 2: Scope and declarations
- Declaring variables using var
- Primitive and String literals
- Text blocks
Segment 3: Operators
- Bitwise operators
- Logical and short circuit operators
Segment 4: Equality and immutability
- General equality of primitives and Objects
- References, reference assignment, and null
- Equality in core library classes, String, StringBuilder, List, Set, and date/time classes
- Working with immutable core classes, String and date/time types
Segment 5: Resolving identifiers
- Resolving variable expressions and methods
- Implicit and explicit uses of this and classnames
- Accessing methods and expressions in static contexts
Segment 6: Introduction to Java
- Conditional statement
- Looping
- IO Operations
- Database CRUD
- Object-oriented
- Class and object
- Inheritance
- Interface class
- Polymorphism
- Small ATM Project
Segment 7: Using instanceof
- Generalized references and methods available
- Testing object type with instanceof
- Casting
- Pattern matching with instanceof
Segment 8: Many forms of switch/case
- Colon and arrow forms of case
- Expression and statement forms of switch
Segment 9: Exceptions
- Review of try, try with resources, catch, multiple catch blocks, and multi-catch
- Review of checked vs unchecked exceptions
- Permitted and required catch clauses
- AutoCloseable
Segment 10: Working with Methods
- Argument passing
- Overloading methods, widening conversions, and method resolution
Segment 11: Advanced type declarations
- Enumerations
- Nested, inner, and member classes
- Record types
Segment 12: Subclassing, overriding, and closures
- Overriding methods
- Liskov substitution requirements
- Accessibility rules for overrides
- Exception rules for overrides
- Return type rules for overrides
- Closures
Segment 13: Interfaces
- Interface methods
- Accessibility
- Abstract, default, static, and private interface methods
- Resolving default methods
Segment 14: Initializations
- Static initializers
- Instance initializers
- Constructor invocations and constructor invocation order
- Using this() and super() in constructors
- Initializing record types
Segment 15: Lambda syntax
- Declaring block lambdas
- Declaring expression lambdas
- Variations of lambda argument syntaxes
Segment 16: Primitive Wrapper Types
- Primitive wrapper uses
- Primitive wrapper features
Segment 17: Sealed types
- Declaring sealed types
- Subtypes of sealed parents
Segment 18: Resource bundles
- Selecting a resource bundle
- Accessing resources in a bundle
Segment 19: Reachability and garbage collection
- Reachability analysis and eligibility for GC
Segment 20: The Java Platform Module System
- Java Platform Module System purpose/goals
- Migration approaches
- Automatic modules
- Service provision
Segment 21: Serialization
- Overview of serialization and the Serializable interface
- Using object streams
- Serializing and deserializing objects in a class hierarchy
Segment 22: Key features of the core Java SE libraries
- Date, time, and timezone operations
- Arrays and Collections class features
- Key collections API features
Segment 23: Overview of remaining objectives
- What to look out for in the objectives not discussed
- Additional resources and training
- Additional topics and questions
Segment 24: Java Design Patterns
- Creational Design Patterns
- Structural Design Patterns
- Behavioural Design Patterns
Segment 25: Unit test in Java
- What is unit test
- Test Case Naming Convention
- Expected vs Actual
- Simple Test Case
- Specific Unit Tests
Exam Details
Format: Multiple Choice
Duration: 90 Minutes
Number of Questions: 50
Passing Score: 68%
Validation: Exam has been validated for product version Java 17
Programme scope, delivery arrangements and suitability are confirmed during enquiry.