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    • Core Java

    Core Java Courses Online

    Learn core Java programming for building robust applications. Understand Java syntax, object-oriented programming, and standard libraries.

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    Explore the Core Java Course Catalog

    • Status: Free Trial
      Free Trial
      L

      LearnKartS

      Kubernetes Fundamentals

      Skills you'll gain: Kubernetes, YAML, Application Deployment, Cloud-Native Computing, Containerization, Data Storage, Microservices, Network Architecture, Systems Architecture, Command-Line Interface, Scalability

      4
      Rating, 4 out of 5 stars
      ·
      21 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of London

      Introduction to Computer Security

      Skills you'll gain: Linux, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, Network Analysis

      4.8
      Rating, 4.8 out of 5 stars
      ·
      31 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      M

      Microsoft

      Media Relations and Crisis Management

      Skills you'll gain: Media Relations, Internal Communications, Crisis Management, Corporate Communications, Communication Planning, Public Relations, Public Affairs, Media Strategy, Communication Strategies, Stakeholder Communications, Stakeholder Management, Real Time Data, Generative AI Agents

      4.7
      Rating, 4.7 out of 5 stars
      ·
      15 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      L

      LearnQuest

      Introduction to Java as a Second Language

      Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Computer Programming, Program Development, Virtual Machines, Web Applications, Software Installation

      4.4
      Rating, 4.4 out of 5 stars
      ·
      82 reviews

      Intermediate · Course · 1 - 3 Months

    • P

      Packt

      Building Modern Distributed Systems with Java

      Skills you'll gain: Distributed Computing, Java, Load Balancing, Middleware, NoSQL, Event-Driven Programming, Databases, Software Architecture, Servers, Remote Access Systems, Microservices, Scalability, Transaction Processing, Service Management

      Intermediate · Course · 1 - 3 Months

    • Status: Free
      Free
      P

      Princeton University

      Алгоритмы, часть I

      Skills you'll gain: Data Structures, Algorithms, Programming Principles, Theoretical Computer Science, Java, Computer Programming, Computational Thinking, Graph Theory, Object Oriented Programming (OOP), Performance Testing

      4.8
      Rating, 4.8 out of 5 stars
      ·
      81 reviews

      Intermediate · Course · 3 - 6 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      D

      Duke University

      Data Science with R

      Skills you'll gain: Data Ethics, Version Control, Ggplot2, R Programming, Web Scraping, GitHub, Data Visualization Software, Data Visualization, Statistical Methods, Git (Version Control System), Data Wrangling, Tidyverse (R Package), Data Manipulation, Data Integrity, Data Import/Export, Data Collection, Data Cleansing, Data Quality, Data Presentation, Data Literacy

      4.7
      Rating, 4.7 out of 5 stars
      ·
      13 reviews

      Beginner · Specialization · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      E

      Edureka

      Programming with Rust

      Skills you'll gain: Rust (Programming Language), Restful API, System Programming, API Design, Web Frameworks, Server Side, Web Development, Development Environment, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Applications, Object-Relational Mapping, Data Manipulation, Package and Software Management, Data Structures, Web Development Tools, Software Design Patterns, Performance Tuning, Secure Coding

      3.5
      Rating, 3.5 out of 5 stars
      ·
      18 reviews

      Intermediate · Specialization · 1 - 3 Months

    • J

      Johns Hopkins University

      Bioinformatics Methods for Transcriptomics

      Skills you'll gain: Bioinformatics, Molecular Biology, Data Visualization Software, Statistical Analysis, Command-Line Interface, Linux

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      P

      Packt

      Learn Automation Testing with Java and Selenium Webdriver

      Skills you'll gain: Selenium (Software), JUnit, Eclipse (Software), Java Programming, Java, Test Automation, Integrated Development Environments, Object Oriented Programming (OOP), Software Testing, Object Oriented Design, Browser Compatibility, Test Data, Test Tools, Test Case, Computer Programming, Software Quality Assurance, Regression Testing, Development Environment, Programming Principles, HTML and CSS

      4.5
      Rating, 4.5 out of 5 stars
      ·
      16 reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      M

      Microsoft

      Deploy a website to Azure with Azure App Service

      Skills you'll gain: Microsoft Azure, CI/CD, Continuous Deployment, Development Environment, Application Deployment, Cloud Applications, Docker (Software), Containerization, ASP.NET, Platform As A Service (PaaS), Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments

      4.7
      Rating, 4.7 out of 5 stars
      ·
      32 reviews

      Intermediate · Course · 1 - 3 Months

    • G

      Google Cloud

      Creating a Streaming Data Pipeline With Apache Kafka

      Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud

      3.8
      Rating, 3.8 out of 5 stars
      ·
      27 reviews

      Beginner · Project · Less Than 2 Hours

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    In summary, here are 10 of our most popular core java courses

    • Kubernetes Fundamentals: LearnKartS
    • Introduction to Computer Security: University of London
    • Media Relations and Crisis Management: Microsoft
    • Introduction to Java as a Second Language: LearnQuest
    • Building Modern Distributed Systems with Java: Packt
    • Алгоритмы, часть I: Princeton University
    • Data Science with R: Duke University
    • Programming with Rust: Edureka
    • Bioinformatics Methods for Transcriptomics: Johns Hopkins University
    • Learn Automation Testing with Java and Selenium Webdriver: Packt

    Frequently Asked Questions about Core Java

    Core Java is a commonly used programming language that is considered the foundation for developing various applications and services on different platforms. It is a high-level, object-oriented programming language that enables developers to write efficient and robust code. Core Java covers the fundamental concepts of Java programming, including variables, data types, control structures, classes, objects, inheritance, polymorphism, exception handling, and more. It is widely used for building desktop, web, and mobile applications, as well as backend systems for enterprise-level software.‎

    To excel in Core Java, you should focus on acquiring the following skills:

    1. Object-Oriented Programming (OOP): Understanding the fundamentals of OOP is crucial for Core Java. You should learn concepts like classes, objects, inheritance, polymorphism, and encapsulation.

    2. Java Syntax: Mastering the syntax is essential to write efficient Java code. Learn about variables, data types, operators, control structures (if-else, switch-case), loops (while, for), and exception handling.

    3. Java APIs: Familiarize yourself with commonly used Java APIs such as java.lang, java.util, java.io, and java.net. Learn how to leverage these libraries to perform tasks like input/output operations, collections, networking, date/time manipulation, and more.

    4. Java Development Kit (JDK) Tools: Understand the usage of important JDK tools like javac (Java compiler), java (Java Virtual Machine), jar (Java Archive), javadoc (generating documentation), and debugging tools like jdb.

    5. Memory Management: Java manages memory automatically, but understanding concepts like garbage collection, stack and heap memory, memory leaks, and object lifecycle will help you write better-performing code.

    6. Exception Handling: Learn how to handle exceptions gracefully to ensure efficient error management and graceful program execution. Understand concepts like try-catch blocks, multiple catch blocks, and exception hierarchy.

    7. Multithreading: Core Java provides powerful features for concurrent programming. Gain knowledge about threads, synchronization, locks, and multi-threading concepts like race conditions, deadlock, and thread communication.

    8. File I/O Operations: Understand how to read from and write to files using Java's I/O classes. Learn about different file manipulation operations, character encoding, and how to handle exceptions related to file operations.

    9. Java Database Connectivity (JDBC): Learn about JDBC to interact with relational databases from your Java programs. Understand concepts like database connections, executing queries, fetching results, and handling database transactions.

    10. Debugging and Testing: Acquire skills in debugging and testing Java applications using tools like IntelliJ IDEA, Eclipse, JUnit, and Mockito. Learn how to identify and fix issues, write effective test cases, and perform unit testing.

    By focusing on these skills, you will build a strong foundation in Core Java and be well-equipped to develop various Java applications.‎

    Some of the job roles you can pursue with Core Java skills include Java developer, software engineer, systems analyst, web application developer, mobile application developer, database administrator, quality analyst, and software consultant.‎

    People who are interested in computer programming and have a strong foundation in basic programming concepts are best suited for studying Core Java. Additionally, individuals who are detail-oriented, logical thinkers, and enjoy problem-solving would find studying Core Java to be a good fit for them. Core Java is a fundamental programming language, so it is important for learners to have a willingness to dive deep into the language and understand its intricacies.‎

    Some topics related to Core Java that you can study include:

    1. Object-oriented programming (OOP) concepts and principles
    2. Java syntax and data types
    3. Control structures and loops
    4. Exception handling
    5. Java input/output (I/O) and file handling
    6. Collections framework
    7. Multithreading and concurrency
    8. Networking and socket programming in Java
    9. JDBC (Java Database Connectivity) for database interaction
    10. GUI (Graphical User Interface) development using Swing or JavaFX

    These topics cover the fundamentals of Core Java and are essential for building a strong foundation in Java programming.‎

    Online Core Java courses offer a convenient and flexible way to enhance your knowledge or learn new Core Java is a commonly used programming language that is considered the foundation for developing various applications and services on different platforms. It is a high-level, object-oriented programming language that enables developers to write efficient and robust code. Core Java covers the fundamental concepts of Java programming, including variables, data types, control structures, classes, objects, inheritance, polymorphism, exception handling, and more. It is widely used for building desktop, web, and mobile applications, as well as backend systems for enterprise-level software. skills. Choose from a wide range of Core Java courses offered by top universities and industry leaders tailored to various skill levels.‎

    When looking to enhance your workforce's skills in Core Java, it's crucial to select a course that aligns with their current abilities and learning objectives. Our Skills Dashboard is an invaluable tool for identifying skill gaps and choosing the most appropriate course for effective upskilling. For a comprehensive understanding of how our courses can benefit your employees, explore the enterprise solutions we offer. Discover more about our tailored programs at Coursera for Business here.‎

    This FAQ content has been made available for informational purposes only. Learners are advised to conduct additional research to ensure that courses and other credentials pursued meet their personal, professional, and financial goals.

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