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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
      D
      U

      Multiple educators

      Object Oriented Programming in Java

      Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, Interactive Data Visualization, Java, Object Oriented Programming (OOP), Development Testing, User Interface (UI), Debugging, Java Programming, Software Testing, Computer Programming, Software Engineering, Algorithms, Performance Tuning, Encryption, Programming Principles, Data Analysis, Statistical Analysis, Software Design

      4.6
      Rating, 4.6 out of 5 stars
      ·
      15K reviews

      Beginner · Specialization · 3 - 6 Months

    • O

      Oracle

      Oracle Java Foundations

      Skills you'll gain: Java, Object Oriented Programming (OOP), Oracle Cloud, Computer Programming, Cloud Development, Integrated Development Environments, Development Environment

      4.8
      Rating, 4.8 out of 5 stars
      ·
      16 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      L

      LearnKartS

      Core Java - Multithreading and Classes

      Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Software Design Patterns, Mathematical Software

      4.8
      Rating, 4.8 out of 5 stars
      ·
      12 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      A

      Amazon

      Programming with Java

      Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java, File Management, Data Import/Export, Maintainability, Debugging, Software Development

      4.3
      Rating, 4.3 out of 5 stars
      ·
      51 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      L

      LearnKartS

      Core Java - Design Patterns

      Skills you'll gain: Software Design Patterns, Java, Software Architecture, Java Platform Enterprise Edition (J2EE), Maintainability, Software Design, Object Oriented Programming (OOP), Scalability

      4.7
      Rating, 4.7 out of 5 stars
      ·
      26 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Object Oriented Programming in Java

      Skills you'll gain: Event-Driven Programming, Interactive Data Visualization, Java, Object Oriented Programming (OOP), User Interface (UI), Computer Programming, Algorithms, Software Engineering, Data Structures, Software Documentation, Debugging

      4.7
      Rating, 4.7 out of 5 stars
      ·
      5.8K reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free
      Free
      P

      Princeton University

      Computer Science: Programming with a Purpose

      Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java, Computational Thinking, Computer Science, Algorithms, Animations, Debugging

      4.7
      Rating, 4.7 out of 5 stars
      ·
      1.3K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      L

      LearnKartS

      Core Java - Advanced Fundamentals

      Skills you'll gain: JUnit, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures

      4.9
      Rating, 4.9 out of 5 stars
      ·
      9 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: New
      New
      Status: Free Trial
      Free Trial
      I

      IBM

      Java Development Capstone Project

      Skills you'll gain: Database Design, Restful API, User Requirements Documents, Containerization, Docker (Software), Model View Controller, Agile Methodology, Front-End Web Development, User Story, CI/CD, Java, Hibernate (Java), HTML and CSS, Full-Stack Web Development, Spring Boot, Java Platform Enterprise Edition (J2EE), Microservices, Back-End Web Development, MySQL, Software Architecture

      Advanced · Course · 1 - 3 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      I

      IBM

      Generative AI for Java and Spring Developers

      Skills you'll gain: Prompt Engineering, Generative AI, Large Language Modeling, ChatGPT, Restful API, Spring Framework, Data Ethics, Natural Language Processing, OpenAI, Application Deployment, Artificial Intelligence, Software Development Tools, Software Testing, Test Automation, Software Development, DevSecOps, Application Security, CI/CD, Application Programming Interface (API), Image Analysis

      4.7
      Rating, 4.7 out of 5 stars
      ·
      6.9K reviews

      Intermediate · Specialization · 1 - 3 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      V

      Vanderbilt University

      AI Agents in Java with Generative AI

      Skills you'll gain: Prompt Engineering, ChatGPT, Generative AI Agents, Productivity, Java, Agentic systems, OpenAI, Generative AI, Artificial Intelligence, Large Language Modeling, Software Design, Creative Thinking, Ingenuity, Brainstorming, Software Architecture, Software Development Tools, Secure Coding, Application Development, Business Logic, Systems Integration

      4.8
      Rating, 4.8 out of 5 stars
      ·
      6K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: New
      New
      B

      Board Infinity

      Introduction to JUnit

      Skills you'll gain: Object Oriented Programming (OOP), Eclipse (Software), Java Programming, Development Environment, Programming Principles, Computer Programming, Unit Testing, Debugging, Virtual Machines

      Beginner · Course · 1 - 4 Weeks

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

    • Object Oriented Programming in Java: Duke University
    • Oracle Java Foundations: Oracle
    • Core Java - Multithreading and Classes: LearnKartS
    • Programming with Java: Amazon
    • Core Java - Design Patterns: LearnKartS
    • Object Oriented Programming in Java: University of California San Diego
    • Computer Science: Programming with a Purpose: Princeton University
    • Core Java - Advanced Fundamentals: LearnKartS
    • Java Development Capstone Project: IBM
    • Generative AI for Java and Spring Developers: IBM

    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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