Development > Programming Languages
30 h
£39.99 £12.99
Become a Java SE 21 Developer: Master the 1Z0-830 Certification
What you will learn:
- Grasp fundamental data types, wrapper classes, and adeptly handle type conversions.
- Master the evaluation and application of arithmetic and Boolean expressions, including precedence rules.
- Efficiently manipulate text using String, StringBuilder, and text blocks.
- Proficiently manage dates, times, durations, periods, and time zones using the Java Date-Time API.
- Construct and control program flow with if-else statements, switch constructs, and various loop structures.
- Implement advanced object-oriented programming concepts such as encapsulation and inheritance.
- Create robust classes, records, and skillfully instantiate fields, methods, and constructors.
- Apply polymorphism, method overriding, and the instanceof operator with pattern matching expertise.
- Effectively utilize Java interfaces, functional methods, and enums.
- Handle exceptions effectively with try-catch-finally blocks, try-with-resources, and multi-catch statements.
- Create and manipulate arrays and collections such as Lists, Sets, Maps, and Deques.
- Master the use of Streams and Lambda expressions for data filtering, transformation, and sorting.
- Execute advanced Stream operations including decomposition, reduction, and grouping.
- Gain proficiency in modular Java, code compilation, and the creation of modular/non-modular JAR files.
- Manage concurrent code execution using threads, ExecutorService, and parallel streams.
- Develop thread-safe code incorporating locking mechanisms and concurrent APIs.
- Utilize the Java I/O API to efficiently read/write files and serialize/deserialize objects.
- Implement localization using resource bundles and adapt parsing/formatting for specific locales.
- Learn additional key Java features, including the practical use of annotations and the Java Logging API.
Description
Unlock Your Java Expertise: Conquer the Oracle 1Z0-830 Certification
The Oracle Certified Java SE 21 Developer certification (1Z0-830) is your passport to high-demand Java development roles. This rigorous credential validates your mastery of modern Java programming, from fundamental concepts to advanced techniques used in today's enterprise applications. Are you ready to elevate your career and prove your proficiency?
Why Choose This Course?
Our comprehensive course provides a structured path to 1Z0-830 success. We go beyond theory, equipping you with practical skills through hands-on exercises, real-world examples, and regular quizzes to reinforce your learning. This isn't just a course; it's your personalized exam prep bootcamp. Learn at your own pace, revisit materials as needed, and feel confident tackling the certification exam.
What You'll Master: A Deep Dive into Java SE 21
This course covers the entire 1Z0-830 exam syllabus, including:
- Core Java Fundamentals: Data types, operators, control flow, and object-oriented programming (OOP) principles – inheritance, polymorphism, and encapsulation.
- Advanced Java Concepts: Exception handling, generics, lambda expressions, streams, and the Java Collections Framework. You'll become proficient with ArrayLists, LinkedLists, HashSets, HashMaps, and more.
- Modern Java Features: Explore Java modules, the enhanced Date/Time API, concurrency with threads and executors, and the I/O API for efficient file handling and serialization.
- Deployment and Best Practices: Learn to package and deploy your Java applications, along with essential debugging strategies and best coding practices.
- Exam Preparation Strategies: We provide focused exam preparation guidance to optimize your chances of achieving certification.
Beyond the Certification: Real-World Impact
This certification isn't just about a piece of paper; it's about transforming your career prospects. With validated Java SE 21 expertise, you'll be a highly sought-after candidate for roles requiring cutting-edge skills and a deep understanding of enterprise-level Java development.
Enroll today and start your journey to becoming a certified Java SE 21 Developer!
Curriculum
Introduction
This introductory section sets the stage for the course. Lectures cover the communication plan, student access to the 'Learn IT' application, tips for an optimal learning experience, additional free learning materials, and a comprehensive overview of the 1Z0-830 certification and the course's structure and objectives.
Java Basics
Begin your Java journey by understanding the reasons behind Java's popularity and the purpose of this course. This section covers JDK, JRE, and JVM, explores the latest Java version, guides you through JDK installation, and creates your first 'Hello World' application. Homework solutions, an introduction to the Eclipse IDE, effective commenting techniques, and a concluding quiz ensure you start strong.
Primitive Data Types, Variables, and Arrays
This section delves into primitive data types and variables in Java, including number systems and arrays. You'll learn how to declare, initialize, and manipulate these fundamental building blocks of Java programming. A quiz at the end allows you to check your understanding.
Eclipse: Tips and Tricks
Learn to leverage Eclipse effectively. This section covers package creation, managing plugins via the Eclipse Marketplace, customizing workspace styles, and essential code refactoring techniques within the Eclipse environment.
Operators and Operations with Primitive Types
Gain a complete understanding of operators in Java. This section focuses on integer and floating-point number operations, the BigDecimal type, the Math class, NaN, Infinity, expression typing, comparing primitive and reference types, and the Java Memory Model. It includes exercises on calculator functions, area calculations, and homework review with a final quiz.
Strings in Java
Master string manipulation techniques. This section explores String object creation and its core methods, string comparison and the String Pool, escape sequences, string formatting, and regular expressions in Java. The section features coding challenges and homework review, followed by a quiz.
Control Statements
Learn to control program flow. This section covers 'if-else' constructs, application simulations (admin/guest modes), and the 'switch' construct. It includes problem-solving exercises, homework review, and a quiz for assessment.
Miscellaneous
This brief section covers random number generation.
Iteration Statements (Loops) in Java
This section provides a comprehensive guide to iteration statements, covering 'while', 'do-while', 'for' loops, 'for-each' loops, nested loops, jump statements ('break' and 'continue'), labels, and problem-solving exercises including pattern printing and array manipulations. Homework review and a quiz are included.
Methods in Java
This section focuses on methods in Java, including their overview, parameter passing mechanisms, recursive methods, and variable-length arguments. It contains various coding challenges, homework review, and a comprehensive quiz to test understanding.
Enumerations in Java
A dedicated section explaining the use and implementation of enumerations in Java.
Debugging Tools
Learn effective debugging strategies for Java programs in this section.
Object-oriented programming
A thorough exploration of object-oriented programming (OOP) concepts, including classes, objects, different class types, abstract classes, interfaces, inheritance, polymorphism, the 'final' and 'static' keywords, encapsulation, the Object class, JNI, and a comprehensive overview of SOLID and other design principles such as KISS, YAGNI, and DRY.
===== OOP: Interview Preparation =====
Prepare for OOP-related job interviews with this dedicated section featuring numerous questions and answers to enhance your interview skills.
===== EXAM: OOP & Object Oriented e-Commerce console applications =====
This section provides an exam and homework assignment focusing on OOP concepts and the development of an e-commerce console application.
Exception Handling
This section delves into the intricacies of exception handling in Java.
Java Collections Framework
A comprehensive study of the Java Collections Framework, encompassing the Collection interface, List, Set, and Queue implementations, comparators, iterators, Map hierarchy, Hash Tables, LinkedHashMap, SortedMap, NavigableMap, TreeMap, and Set implementations. It also includes discussions of LinkedList vs. ArrayList, Big O Notation, and the java.util.Collections class.
Generics
This section covers generics in Java, providing a theoretical and practical understanding of their use and implementation.
===== Java Collections Framework: Interview Preparation =====
This section prepares you for interviews on Java Collections Framework with multiple question-and-answer sessions.
Functional Programming in Java
Explore functional programming in Java, covering functional interfaces, lambda functions, method references, Function, BiFunction, Consumer, BiConsumer, Predicate, and BiPredicate.
Stream API
This section dives deep into the practical application of the Stream API with hands-on exercises.
===== Functional Programming in Java: Interview Preparation =====
Prepare for interviews on Java Functional Programming with question-and-answer sessions.
Input and Output Streams in Java (I/O & NIIO)
This section explores input and output streams in Java, including serialization and cloning techniques.
===== I/O in Java: Interview Preparation =====
Prepare for interviews on Java I/O with question-and-answer sessions.
Multithreading
This section extensively covers multithreading, including Thread, Runnable, thread scheduling, race conditions, daemon threads, synchronization, memory management, deadlocks, livelocks, Executor Services, Callable, Future, Executor Service implementations, ThreadFactory, Fork/Join Framework, CompletableFuture, Lock API, and Synchronizers. It features practical homework assignments.
===== Multithreading in Java: Interview Preparation =====
This section helps you prepare for interviews on Java Multithreading with question-and-answer sessions.
Date and Time in JDK
This section covers time standards, the `java.util` Date and Calendar classes, and the `java.time` package, including Instant, LocalDateTime, and ZonedDateTime.
Java Reflection API & Annotations
This section covers the Java Reflection API and Annotations in detail.
JDK API
This section covers StringBuilder, StringBuffer, java.util.Optional, and Reactive Programming using Flow API and Reactive Streams.
Modules in Java & Migration of Java Apps
This section deals with modules in Java and migration of Java applications to modular structure.
I18N & L10N
This section is dedicated to Localization and Internationalization, covering both theoretical concepts and practical implementation techniques.
===== Java Core: Interview Preparation =====
This section prepares you for Java core-related interviews with multiple question-and-answer sessions.
Logging in Java
This section comprehensively covers logging in Java, including theoretical aspects, logging levels, frameworks like Log4j, Logback, and SLF4j.
Java: New Versions
This section provides an overview of new features and improvements introduced across various Java versions, from Java 8 to Java 21.
== EXAM Java Standard Edition - Online Store - Task description and solution ==
This section presents an exam-style task: implementing an online store application, along with a detailed solution to the task.
Bonus section
This section offers an additional bonus lesson to further enhance your understanding.