• 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

    • E

      EDUCBA

      TOGAF 10 Foundation

      Skills you'll gain: Enterprise Architecture, Stakeholder Management, Risk Management, Information Technology Architecture, Solution Architecture, Data Architecture, Governance, Gap Analysis, Business Transformation, Change Management, Business Process Reengineering, Information Systems

      4.6
      Rating, 4.6 out of 5 stars
      ·
      216 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of Michigan

      Data Analytics in the Public Sector with R

      Skills you'll gain: Exploratory Data Analysis, Data Visualization, Plot (Graphics), Statistical Analysis, Data Presentation, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, Data Analysis, Tidyverse (R Package), Statistical Visualization, R Programming, Statistical Methods, Data Visualization Software, Statistical Hypothesis Testing, Demography, Political Sciences, Public Policies

      4.8
      Rating, 4.8 out of 5 stars
      ·
      77 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      J

      Johns Hopkins University

      Statistics for Genomic Data Science

      Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, R Programming, Probability & Statistics, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing

      4.2
      Rating, 4.2 out of 5 stars
      ·
      373 reviews

      Mixed · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      T

      The Linux Foundation

      Linux Tools for Developers

      Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Linux Administration, Unix Shell, Scripting, Software Development Tools, File Management, Unix, Program Development, Operating Systems, Java, C and C++, Debugging

      4.6
      Rating, 4.6 out of 5 stars
      ·
      730 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      J

      Johns Hopkins University

      Getting Started with Data Visualization in R

      Skills you'll gain: Rmarkdown, Statistical Visualization, Ggplot2, Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Data Manipulation, Scatter Plots, Data Wrangling, Histogram, Software Installation

      4.8
      Rating, 4.8 out of 5 stars
      ·
      289 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of Virginia Darden School Foundation

      Introduction to Digital Transformation Part 1

      Skills you'll gain: Digital Transformation, Business Transformation, Product Lifecycle Management, Competitive Analysis, Technology Strategies, Data Strategy, Business Technologies, Emerging Technologies, Innovation, Business Strategy, Business Economics, Artificial Intelligence and Machine Learning (AI/ML)

      4.7
      Rating, 4.7 out of 5 stars
      ·
      416 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      I

      IBM

      Full Stack Software Developer Assessment

      Skills you'll gain: Cloud Computing, Back-End Web Development, DevOps, Full-Stack Web Development, OpenShift, CI/CD, Software Development, Cloud-Native Computing, Web Applications, Microservices, Containerization, GitHub, Kubernetes, Web Development, Node.JS, Git (Version Control System), Serverless Computing, Docker (Software), Server Side, Django (Web Framework)

      4.7
      Rating, 4.7 out of 5 stars
      ·
      273 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      C

      Codio

      Java Object Basics: Functions, Recursion, and Objects

      Skills you'll gain: Object Oriented Programming (OOP), Software Documentation, Java, Computer Programming, Programming Principles, Computational Thinking

      4.3
      Rating, 4.3 out of 5 stars
      ·
      20 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Designing, Running, and Analyzing Experiments

      Skills you'll gain: Statistical Analysis, Experimentation, Usability Testing, A/B Testing, Statistical Hypothesis Testing, Data Analysis, UI/UX Research, R Programming, User Experience, Research Design, Human Computer Interaction, Statistical Modeling

      3.6
      Rating, 3.6 out of 5 stars
      ·
      592 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Michigan

      Foundations of Sports Analytics: Data, Representation, and Models in Sports

      Skills you'll gain: Statistical Methods, Regression Analysis, Data Cleansing, Statistical Hypothesis Testing, Correlation Analysis, Matplotlib, Data Manipulation, Data Visualization, Statistical Analysis, Scatter Plots, Probability & Statistics, R Programming, Data Analysis, Descriptive Statistics, Pandas (Python Package), Python Programming

      4.4
      Rating, 4.4 out of 5 stars
      ·
      188 reviews

      Intermediate · Course · 1 - 3 Months

    • I

      Instituto Tecnológico de Aeronáutica

      TDD – Desenvolvimento de Software Guiado por Testes

      Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Programming (OOP), Programming Principles

      4.7
      Rating, 4.7 out of 5 stars
      ·
      410 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      G

      Google Cloud

      Essential Cloud Infrastructure: Core Services dalam bahasa Indonesia

      Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Infrastructure As A Service (IaaS), Data Storage, Cloud Computing, Cloud Computing Architecture, Cloud Services, Cloud Management, System Monitoring, Key Management

      4.9
      Rating, 4.9 out of 5 stars
      ·
      283 reviews

      Intermediate · Course · 1 - 3 Months

    Core Java learners also search

    Back End
    Full Stack Web Development
    Golang
    Elastic Stack
    Mean Stack
    Interactive Python
    Spring Framework
    Java
    1…303132…150

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

    • TOGAF 10 Foundation: EDUCBA
    • Data Analytics in the Public Sector with R: University of Michigan
    • Statistics for Genomic Data Science: Johns Hopkins University
    • Linux Tools for Developers: The Linux Foundation
    • Getting Started with Data Visualization in R: Johns Hopkins University
    • Introduction to Digital Transformation Part 1: University of Virginia Darden School Foundation
    • Full Stack Software Developer Assessment: IBM
    • Java Object Basics: Functions, Recursion, and Objects: Codio
    • Designing, Running, and Analyzing Experiments: University of California San Diego
    • Foundations of Sports Analytics: Data, Representation, and Models in Sports: University of Michigan

    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