Java Se 21 Developer - Oracle Certified Professional 1Z0-830
Free Download Java Se 21 Developer - Oracle Certified Professional 1Z0-830
Published: 3/2025
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Size: 7.84 GB |
Duration: 35h 58m
Oracle 1Z0-830 | Java SE 21 Developer Certification Exam Prep Course with Lambda Expression & Java Collections Framework
What you'll learn
Sample Oracle Certified Professional Exam Questions and Answers with solutions
Java programming language
Java SE 21
Essential Java basics
What Java is and how it works
Programming fundamentals with Java
Java Development Kit - JDK
Java Runtime Environment - JRE
Java Virtual Machine - JVM
All concepts of Object-Oriented Programming (core java programming)
How to use 'static' keyword and 'nested and inner' classes
Super Classes and Sub Classes
Strings
Wrapper Classes
Throw vs Throws
Exceptions
Enum Types and more
Arrays
Collections
Lambda Expression
Stream API
Date and Time
Java Input/Output (Java I/O)
Concurrency
Requirements
No prior knowledge is required about Java 21 and Java SE 21 Developer Certified Professional 1Z0-830 Exam
Basic Computer Knowledge
Desire to learn Java and Java Core Skills
A computer with a 64-bit operating system
We preferred MacOS (64-bit) but this is not mandatory. You can prefer to use other Operating Systems. We also provided specific videos on installations for each platform
We preferred IntelliJ which is a powerful and advanced text editor with a lot of plug-ins and tools
Nothing else! It's just you, your computer, and your ambition to get started today
Description
Hello there,Welcome to the "Java SE 21 Developer | Oracle Certified Professional 1Z0-830" course.Oracle 1Z0-830 | Java SE 21 Developer Certification Exam Prep Course with Lambda Expression & Java Collections FrameworkThe Oracle Certified Professional: Java SE 21 Developer (Exam 1Z0-830) is a globally recognized certification that validates your expertise in Java programming, object-oriented principles, and modern Java development practices. This certification is highly valued by employers and serves as proof of your proficiency in Java, one of the most in-demand programming languages in the world.In this course, we aimed to make you a good Java developer and pass the exam required for Oracle Certified Professional: Java SE 21 Developer Certification (Exam number 1Z0-830).You may have taken many Java courses so far, but the exams you will take to get Java certificates to require you to know many tips and exam tactics, apart from Java knowledge. Therefore, being a perfect Java developer is not enough to get a passing grade on the exam.So why should you become a Java SE 21 Developer? Because if you want to apply for a Java developer job, having a certificate will put you one step ahead of other candidates. Remember that a certified developer is always preferable to a non-certified developer.In this course, you'll learn Java from scratch, along with essential exam tactics, tips, and practice questions. You'll also work on 8 real-world projects and complete 50+ coding exercises to reinforce your learning.By the end of the course, you'll be fully prepared to tackle the Oracle Certified Java SE 21 Developer Exam and advance your career with confidence!In this course you will learn;What is Oracle Certified Professional: Java SE 21 Developer Professional Exam 1Z0-830,What Java is and how it works,Programming Fundamentals with Java,IntelliJ IDEAJava Development Kit - JDK,Java Runtime Environment - JRE,Java Virtual Machine - JVMAll Concepts of Object-Oriented ProgrammingVariables and Data Types,Arrays,Control Flow Statements,Methods,Collections,Strings,Wrapper Classes,Exceptions,Enum Types and more,Lambda Expression,Stream API,Date and Time,Java Input/Output,ConcurrencyNo Previous Knowledge is needed!This course will take you from a beginner to a more experienced level.This Java course starts with absolute beginner core concepts, such as showing you the free tools you need to download and install, and takes you all the way to mastering the skills required for the Oracle Certified Professional: Java SE 21 Developer certification. You will gradually learn core Java skills through hands-on examples, building your knowledge step by step. If you're already in the field and need a refresher, this course will also serve as a valuable guide. Every time you return to this course, you will learn something new or improve your existing skills, getting you one step closer to passing the Java SE 21 certification exam.What is Java?Java is a programming language and platform initially developed by Sun Microsystems and now owned by Oracle. Java is inspired by C and C++ and uses an object-oriented programming model, which means that concepts or things are represented as "objects" that have data fields and methods. One of the biggest advantages of Java is that it runs on a Java Virtual Machine (JVM), meaning that you can execute Java code on any platform that has a JVM, without re-compilation. This is different from C and C++, which require re-compilation for every hardware platform you execute the code on. Java has many other advantages, including automatic memory management. This eliminates hard-to-understand pointers used in languages like C, which can help Java developers write better code in a shorter period of time.What does it mean that Java is an object-oriented programming language?Java is an object-oriented programming (OOP) language, which means concepts or things are represented as "objects" that have data fields and methods. In object-oriented programming, models called "objects" represent either a programming entity or an abstract concept. These objects are created and assembled independently of one another but can work with each other in logical ways. Objects are manifestations of classes and can inherit code allowing for code re-use, which can drastically reduce code duplication if used correctly. Additionally, encapsulation, another core OOP concept, allows you to create code with the implementation hidden. Although, in many cases, writing OOP code in Java (and other OOP languages) can take longer than using a procedural language, the benefits obtained with OOP, namely code reusability, encapsulation of data, and readability of code, often result in code that is easier to maintain in the long run.What is Java used for?Java is a very versatile language. Several fields use Java, including Android app development, desktop applications that work on many operating systems, server-side applications, and more. The virtual machine required to run Java programs has been ported to numerous operating systems allowing Java to run on virtually all hardware. According to the TIOBE index, Java has consistently been in the top 3 most-used and popular languages since its initial release in the 1990s. Many developers still consider Java the language of choice in areas such as enterprise and application servers, and even in embedded systems development. Many Fortune 500 companies rely on Java to run their core systems and employers often view Java experience on a résumé as favorable due to its popularity.What certification is best for Java?Oracle, the owner of the Java programming language, has the Oracle Certified Developer: Java SE 21 Developer program, which is easily the best certification to obtain for Java developers. The main reason why it's the best certification, is, unlike most other certifications for Java, the Oracle certification is both well known and universally accepted by employers all over the world. The exam is challenging. You also must bring an ID with you to the exam, so you cannot get anyone to take it for you. Certification is really valuable for both the certification holder and for future employers. There are few, if any, other certification programs so universally accepted as Oracle's Java certification. Thus, getting Java certification is one of the surest ways to give yourself an advantage over other job seekers in the marketplace.Why would you want to take this course?Our answer is simple: The quality of teachingOAK Academy based in London is an online education company OAK Academy gives education in the field of IT, Software, Design, development in Turkish, English, Portuguese, and a lot of different language on Udemy platform where it has over 2000 hours of video education lessons. When you enroll, you will feel the OAK Academy`s seasoned developers' expertiseVideo and Audio Production QualityAll our content is created/produced as high-quality video/audio to provide you the best learning experienceYou will be,Seeing clearlyHearing clearlyMoving through the course without distractionsYou'll also get:Lifetime Access to The CourseFast & Friendly Support in the Q&A sectionUdemy Certificate of Completion Ready for DownloadWe offer full support, answering any questionsDive in now into the "Java SE 21 Developer | Oracle Certified Professional 1Z0-830" course.Oracle 1Z0-830 | Java SE 21 Developer Certification Exam Prep Course with Lambda Expression & Java Collections Framework
Overview
Section 1: Introduction to Java SE 21 Developer Certification Course
Lecture 1 What Will We Learn In This Course?
Section 2: Introduction to Java and Environment Setup
Lecture 2 Section Overview
Lecture 3 Some Information about Java SE 21 Developer Certified Professional 1Z0-830 Exam
Lecture 4 Basic Programming Terms
Lecture 5 Getting Started With Java?
Lecture 6 Download and Install Java on Windows
Lecture 7 Download and Install Java on MacOS
Lecture 8 What is IDE?
Lecture 9 Download and Install IntelliJ on Windows
Lecture 10 Download and Install IntelliJ on MacOS
Lecture 11 First Java Program - Hello World
Lecture 12 Compiling and Running Applications
Lecture 13 Closer Look at the First Java Program
Section 3: Basics of Java
Lecture 14 Section Overview
Lecture 15 Basic Output in Java
Lecture 16 Basic Input in Java
Lecture 17 Comments in Java
Lecture 18 Variables
Lecture 19 Data Types
Lecture 20 Numbers in Java
Lecture 21 Type Conversion and Type Casting
Section 4: Operators
Lecture 22 Section Overview
Lecture 23 Arithmetic Operators
Lecture 24 Assignment Operators
Lecture 25 Unary Operators
Lecture 26 Equality and Relational Operators
Lecture 27 Conditional Operators
Lecture 28 Bitwise and Bitshift Operators
Lecture 29 Char Data Type
Lecture 30 Operator Precedence
Lecture 31 Expressions, Statements, and Blocks
Section 5: Array
Lecture 32 Introduction to Array
Lecture 33 Sorting Array
Lecture 34 Searching Array
Lecture 35 Multi-dimensional Arrays
Section 6: Control Flow Statements
Lecture 36 If and If-Else Statement
Lecture 37 Ternary Operator
Lecture 38 If-Else - If Ladder Statement, Nested If Statement
Lecture 39 Switch-Case Statement
Lecture 40 Simple Calculator App with Switch Statement
Lecture 41 For Loops
Lecture 42 Enhanced For Loop (For-Each Loop)
Lecture 43 While Loop
Lecture 44 Infinite Loop
Lecture 45 Do - While Loop
Lecture 46 Break Keyword
Lecture 47 Continue Keyword
Lecture 48 Return Keyword
Lecture 49 Labeled Loops
Lecture 50 Fibonacci Series
Section 7: Methods
Lecture 51 Section Overview
Lecture 52 What is Method?
Lecture 53 Method Calling
Lecture 54 Types of Methods
Lecture 55 Java Variable Arguments (Java Var-Args)
Lecture 56 Method Overloading
Lecture 57 Find Exponential Number
Section 8: Java Object-Oriented Concept
Lecture 58 Section Overview
Lecture 59 OOP Concept, Object & Class
Lecture 60 Stack & Heap
Lecture 61 Access Modifiers
Lecture 62 Naming Conventions
Lecture 63 Constructor
Lecture 64 Packages and Import - Part 1
Lecture 65 Packages and Import - Part 2
Lecture 66 "static" Keyword
Lecture 67 Static import
Lecture 68 Nested & Inner Classes
Lecture 69 Local inner classes
Section 9: Java Object-Oriented Programming
Lecture 70 Section Overview
Lecture 71 Inheritance
Lecture 72 Sealed Class
Lecture 73 Method Overriding
Lecture 74 "super" and "this" Keywords - Part 1
Lecture 75 "super" and "this" Keywords - Part 2
Lecture 76 "super" and "this" Keywords - Part 3
Lecture 77 "final" Keyword
Lecture 78 "abstract" Keyword
Lecture 79 Interface
Lecture 80 Polymorphism
Lecture 81 Encapsulation
Lecture 82 Anonymous Class
Lecture 83 Record Class
Lecture 84 "var" Keyword
Section 10: Wrapper Classes, Auto-Boxing and Unboxing
Lecture 85 Introduction to Wrapper Class in Java
Lecture 86 Conversion of Types
Lecture 87 Autoboxing - UnBoxing
Section 11: Strings
Lecture 88 Section Overview
Lecture 89 What is String?
Lecture 90 Equality of Strings
Lecture 91 Immutability of Strings
Lecture 92 Useful Methods of String - Part 1
Lecture 93 Useful Methods of String - Part 2
Lecture 94 StringBuffer Class
Lecture 95 StringBuilder Class
Lecture 96 String vs String Buffer vs String Builder
Lecture 97 Reverse String
Section 12: Collections
Lecture 98 Section Overview
Lecture 99 Introduction to Collections
Lecture 100 List Interface
Lecture 101 ArrayList Class
Lecture 102 Conversion Between Lists and Arrays
Lecture 103 Sorting Array List
Lecture 104 Comparator
Lecture 105 Searching ArrayList
Lecture 106 Itrator and ListIterator
Lecture 107 Set Interface - Part 1
Lecture 108 Set Interface - Part 2
Lecture 109 Queue
Lecture 110 Deque
Lecture 111 Map Interface - Part 1
Lecture 112 Map Interface - Part 2
Section 13: Exception Handling in Java
Lecture 113 Intro to Exception
Lecture 114 Error vs Exception
Lecture 115 Exception Types
Lecture 116 Try - Catch Block
Lecture 117 "finally" Block
Lecture 118 "throw" Keyword
Lecture 119 "throws" Keyword
Lecture 120 "throw" vs "throws"
Lecture 121 Useful Methods of Throwable Class
Lecture 122 Bank Account Balance
Section 14: Enum Types
Lecture 123 Enum Types
Lecture 124 Traffic Lights Program With Enum
Section 15: Lambda Expression
Lecture 125 Section Overview
Lecture 126 Marker and Functional Interfaces
Lecture 127 Lambda Expression
Lecture 128 Predicate
Lecture 129 Method Reference
Lecture 130 Switch Expression (Enhanced Switch Statement)
Lecture 131 Simple Calculator app with Lambda
Section 16: Stream API
Lecture 132 Introduction to Stream
Lecture 133 Reduction Operations - Part 1
Lecture 134 Reduction Operations - Part 2
Lecture 135 Parallelism and Parallel Stream
Section 17: Date&Time
Lecture 136 Section Overview
Lecture 137 Calendar Class
Lecture 138 Local Date Class
Lecture 139 Local Time Class
Lecture 140 Local Date Time Class
Lecture 141 Period Class
Lecture 142 Date Time Formatting (DateTimeFormatter Class)
Section 18: Java IO (Java Input / Output)
Lecture 143 Section Overview
Lecture 144 Introduction to Java I/O
Lecture 145 OutputStream Class
Lecture 146 InputStream Class - Part 1
Lecture 147 InputStream Class - Part 2
Lecture 148 Writer Class
Lecture 149 Reader Class
Lecture 150 Copying a file with Java IO
Lecture 151 Object Serialization and Deserialization
Lecture 152 transient keyword
Section 19: Overview of Threads
Lecture 153 What is Thread?
Lecture 154 Create Thread Class
Lecture 155 Create Runnable Class
Section 20: Thread Creation and Management
Lecture 156 Thread and Processes
Lecture 157 Thread management
Lecture 158 Thread states and monitoring
Section 21: Synchronization and Concurrency Control
Lecture 159 Introduction to Synchronization
Lecture 160 "synchronized" Keyword
Lecture 161 "volatile" Keyword
Section 22: High-level Concurrency APIs
Lecture 162 Introduction to Concurrency APIs
Lecture 163 Executor Service
Lecture 164 Scheduled Executor Service
Lecture 165 Concurrent Collection
Lecture 166 Future and Callable
Lecture 167 Atomic Variables
Section 23: Thread Coordination
Lecture 168 Introduction to Thread Coordination
Lecture 169 Inter-thread communication
Lecture 170 Locks and Conditions
Section 24: Locks and Advanced Synchronization
Lecture 171 ReentrantLock and ReentrantReadWriteLock
Lecture 172 Condition variables
Section 25: Concurrent Collections
Lecture 173 Thread-safe collections
Lecture 174 Blocking queues
Section 26: Performance and Scalability
Lecture 175 Thread contention and deadlocks
Lecture 176 Thread safety and immutability
Lecture 177 Optimizing Thread Pools
Lecture 178 Parallel stream
Section 27: Java Virtual Machine and Threads
Lecture 179 JVM's role in thread management
Lecture 180 Thread priorities
Lecture 181 Daemon threads
Section 28: Best Practices and Advanced Topics
Lecture 182 Concurrency Design Patterns
Lecture 183 Handling exceptions in threads
Lecture 184 Advanced locking mechanisms
Section 29: Case Studies and Practical Scenarios
Lecture 185 Building a multithreaded web server
Lecture 186 Implementing a producer-consumer system
Lecture 187 Developing a real-time chat system
Section 30: Tools and Testing
Lecture 188 Thread debugging tools
Lecture 189 Unit testing multithreaded code
Lecture 190 Profiling multithreaded applications
Section 31: Extra
Lecture 191 Java SE 21 Developer | Oracle Certified Professional 1Z0-830
Anyone looking to pass the Java SE 21 Developer Certified Professional 1Z0-830 Exam,Anyone looking to get Oracle Java Certification,Those who want to learn the Java Programming language from scratch,Those who want to be one step ahead in job applications related to Java,Java developers who want to increase their knowledge,Beginners with no previous coding experience in Java programming,Those who want to learn tips and tricks in Java SE 21 Developer Certified Professional 1Z0-830 Exam,Programmers who are looking to sharpen their Java programming skills to the expert level,Anyone who is planning job transformation and wants to become a Java developer
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