• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Coursera
  • Online Degrees
  • Careers
  • Log In
  • Join for Free
    Coursera
    • Browse
    • Core Java

    Core Java Courses Online

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

    Skip to search results

    Filter by

    Subject
    Required
     *

    Language
    Required
     *

    The language used throughout the course, in both instruction and assessments.

    Learning Product
    Required
     *

    Build job-relevant skills in under 2 hours with hands-on tutorials.
    Learn from top instructors with graded assignments, videos, and discussion forums.
    Learn a new tool or skill in an interactive, hands-on environment.
    Get in-depth knowledge of a subject by completing a series of courses and projects.
    Earn career credentials from industry leaders that demonstrate your expertise.
    Earn career credentials while taking courses that count towards your Master’s degree.
    Earn your Bachelor’s or Master’s degree online for a fraction of the cost of in-person learning.

    Level
    Required
     *

    Duration
    Required
     *

    Skills
    Required
     *

    Subtitles
    Required
     *

    Educator
    Required
     *

    Explore the Core Java Course Catalog

    • Status: Free Trial
      Free Trial
      A

      Amazon

      Introduction to Software Development

      Skills you'll gain: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Software Development, Development Environment, Integrated Development Environments, Software Engineering, Programming Principles

      4.7
      Rating, 4.7 out of 5 stars
      ·
      200 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      I

      IBM

      IBM Data Management

      Skills you'll gain: Dashboard, Data Storytelling, Data Warehousing, SQL, Data Governance, Data Security, Data Migration, Database Design, Data Literacy, Descriptive Statistics, Extract, Transform, Load, Data Mining, Cloud Storage, Data Visualization Software, Data Store, IBM DB2, Data Management, Relational Databases, MySQL, Excel Formulas

      4.7
      Rating, 4.7 out of 5 stars
      ·
      17K reviews

      Beginner · Professional Certificate · 3 - 6 Months

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

      IBM

      Generative AI for Digital Marketing

      Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Digital Advertising, Email Marketing, OpenAI, Digital Marketing, Marketing Automation, AI Personalization, Marketing Analytics, Advertising Campaigns, Marketing, Marketing Strategies, Content Creation, Keyword Research, Search Engine Optimization, Large Language Modeling, Artificial Intelligence, Copywriting, Image Analysis

      4.7
      Rating, 4.7 out of 5 stars
      ·
      6.7K reviews

      Beginner · Specialization · 1 - 3 Months

    • U

      University of California, Davis

      The Strategy of Content Marketing

      Skills you'll gain: Content Marketing, Content Performance Analysis, Content Strategy, Marketing Strategies, Content Creation, Strategic Marketing, Social Media Strategy, Marketing, Multimedia, Copywriting, Branding, Target Audience, Persona Development, Business Ethics

      4.5
      Rating, 4.5 out of 5 stars
      ·
      5.2K reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Pennsylvania

      Introduction to Programming with Python and Java

      Skills you'll gain: Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Eclipse (Software), Data Structures, Data Cleansing, Debugging, Pivot Tables And Charts, Data Visualization Software, Software Testing, Integrated Development Environments, Program Development, Programming Principles, Python Programming, Computer Programming, Computational Thinking

      4.5
      Rating, 4.5 out of 5 stars
      ·
      1.8K reviews

      Beginner · Specialization · 3 - 6 Months

    • D

      Duke University

      Medical Neuroscience

      Skills you'll gain: Neurology, Anatomy, Medical Science and Research, Psychology, Pathology, Molecular Biology, Biology, Pharmacology

      4.9
      Rating, 4.9 out of 5 stars
      ·
      2.9K reviews

      Advanced · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      P

      Packt

      CompTIA A+ Certification Core 1 (220-1101)

      Skills you'll gain: Hardware Troubleshooting, Computer Displays, TCP/IP, Computer Hardware, Augmented and Virtual Reality (AR/VR), Data Storage Technologies, Virtualization and Virtual Machines, Virtual Local Area Network (VLAN), Virtual Private Networks (VPN), Network Administration, Wireless Networks, Local Area Networks, General Networking, Network Security, Network Architecture, Peripheral Devices, Network Routers, Hardware Architecture, Computer Architecture, Desktop Support

      4.7
      Rating, 4.7 out of 5 stars
      ·
      42 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      M

      Meta

      Meta Web Development Fundamentals

      Skills you'll gain: Django (Web Framework), Responsive Web Design, HTML and CSS, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), SQL, Database Design, Databases, Front-End Web Development, Unit Testing, MySQL, Debugging, User Interface (UI), Web Development, Web Servers, Test Driven Development (TDD), Web Applications, Programming Principles

      4.7
      Rating, 4.7 out of 5 stars
      ·
      16K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      I

      IBM

      Generative AI for Human Resources (HR) Professionals

      Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, HR Tech, Human Resources Software, Human Resources Management and Planning, OpenAI, Human Resources, Workforce Planning, Human Resource Strategy, Data Ethics, Large Language Modeling, Artificial Intelligence, Program Development, Employee Engagement, Content Creation, Recruitment, Performance Appraisal, Employee Onboarding, Image Analysis

      4.7
      Rating, 4.7 out of 5 stars
      ·
      6.8K reviews

      Intermediate · Specialization · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      V

      Vanderbilt University

      Java for Android

      Skills you'll gain: Android Studio, Android Development, Object Oriented Programming (OOP), Java Programming, Java, Mobile Development, Data Structures, Integrated Development Environments, Computer Programming, Development Environment, Debugging, Algorithms

      4.5
      Rating, 4.5 out of 5 stars
      ·
      3.1K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Java Programming: Solving Problems with Software

      Skills you'll gain: Debugging, Java, Algorithms, Statistical Analysis, Software Design, Computer Programming, Integrated Development Environments, Data Processing, Object Oriented Programming (OOP), Data Analysis, Software Testing

      4.6
      Rating, 4.6 out of 5 stars
      ·
      8K reviews

      Beginner · Course · 1 - 3 Months

    • U

      Universidad de Palermo

      Object-Oriented Programming with Java

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

      4.7
      Rating, 4.7 out of 5 stars
      ·
      11 reviews

      Intermediate · Course · 1 - 4 Weeks

    Core Java learners also search

    Back End
    Full Stack Web Development
    Golang
    Elastic Stack
    Mean Stack
    Interactive Python
    Spring Framework
    Java
    1…678…151

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

    • Introduction to Software Development: Amazon
    • IBM Data Management: IBM
    • Generative AI for Digital Marketing: IBM
    • The Strategy of Content Marketing: University of California, Davis
    • Introduction to Programming with Python and Java: University of Pennsylvania
    • Medical Neuroscience: Duke University
    • CompTIA A+ Certification Core 1 (220-1101): Packt
    • Meta Web Development Fundamentals: Meta
    • Generative AI for Human Resources (HR) Professionals: IBM
    • Java for Android: Vanderbilt University

    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.

    Other topics to explore

    Arts and Humanities
    338 courses
    Business
    1095 courses
    Computer Science
    668 courses
    Data Science
    425 courses
    Information Technology
    145 courses
    Health
    471 courses
    Math and Logic
    70 courses
    Personal Development
    137 courses
    Physical Science and Engineering
    413 courses
    Social Sciences
    401 courses
    Language Learning
    150 courses

    Coursera Footer

    Technical Skills

    • ChatGPT
    • Coding
    • Computer Science
    • Cybersecurity
    • DevOps
    • Ethical Hacking
    • Generative AI
    • Java Programming
    • Python
    • Web Development

    Analytical Skills

    • Artificial Intelligence
    • Big Data
    • Business Analysis
    • Data Analytics
    • Data Science
    • Financial Modeling
    • Machine Learning
    • Microsoft Excel
    • Microsoft Power BI
    • SQL

    Business Skills

    • Accounting
    • Digital Marketing
    • E-commerce
    • Finance
    • Google
    • Graphic Design
    • IBM
    • Marketing
    • Project Management
    • Social Media Marketing

    Career Resources

    • Essential IT Certifications
    • High-Income Skills to Learn
    • How to Get a PMP Certification
    • How to Learn Artificial Intelligence
    • Popular Cybersecurity Certifications
    • Popular Data Analytics Certifications
    • What Does a Data Analyst Do?
    • Career Development Resources
    • Career Aptitude Test
    • Share your Coursera Learning Story

    Coursera

    • About
    • What We Offer
    • Leadership
    • Careers
    • Catalog
    • Coursera Plus
    • Professional Certificates
    • MasterTrack® Certificates
    • Degrees
    • For Enterprise
    • For Government
    • For Campus
    • Become a Partner
    • Social Impact
    • Free Courses
    • ECTS Credit Recommendations

    Community

    • Learners
    • Partners
    • Beta Testers
    • Blog
    • The Coursera Podcast
    • Tech Blog
    • Teaching Center

    More

    • Press
    • Investors
    • Terms
    • Privacy
    • Help
    • Accessibility
    • Contact
    • Articles
    • Directory
    • Affiliates
    • Modern Slavery Statement
    • Manage Cookie Preferences
    Learn Anywhere
    Download on the App Store
    Get it on Google Play
    Logo of Certified B Corporation
    © 2025 Coursera Inc. All rights reserved.
    • Coursera Facebook
    • Coursera Linkedin
    • Coursera Twitter
    • Coursera YouTube
    • Coursera Instagram
    • Coursera TikTok