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Core Java Courses

Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.


More to explore:

Popular Core Java Courses and Certifications


  • Status: Free Trial
    Free Trial
    M

    Microsoft

    Media Relations and Crisis Management

    Skills you'll gain: Media Relations, Internal Communications, Crisis Management, Strategic Communication, Communication Planning, Public Relations, Communication Strategies, Stakeholder Communications, AI Enablement, Real Time Data

    4.8
    Rating, 4.8 out of 5 stars
    ·
    37 reviews

    Beginner · Course · 1 - 3 Months

  • Status: Free
    Free
    U

    University of Minnesota

    Introduction to UX Design MasterTrack Certificate Program

    Skills you'll gain: Design Thinking, User Research, User Experience Design, Design Research, Usability Testing, User Centered Design, Graphic and Visual Design, Human Centered Design, Data Ethics, Ethical Standards And Conduct, Information Architecture

    4.1
    Rating, 4.1 out of 5 stars
    ·
    45 reviews

    Beginner · Course · 1 - 3 Months

  • Status: New
    New
    Status: Free Trial
    Free Trial
    S

    Scrimba

    Vibe Coding with Claude Code

    Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems

    Intermediate · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    L

    LearnQuest

    Fundamentals of Data Warehousing

    Skills you'll gain: Data Warehousing, Data Architecture, Data Storage, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Star Schema, Cloud Storage, Data Mart, Database Design, Snowflake Schema, Query Languages, Metadata Management

    3.8
    Rating, 3.8 out of 5 stars
    ·
    69 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    P

    Packt

    Security Foundations, Threats, and Network Protection

    Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework

    4.6
    Rating, 4.6 out of 5 stars
    ·
    9 reviews

    Beginner · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    J

    Johns Hopkins University

    Advanced Data Visualization with R

    Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations

    4.9
    Rating, 4.9 out of 5 stars
    ·
    81 reviews

    Mixed · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    L

    LearnQuest

    Introduction to Visual Basic Programming

    Skills you'll gain: Visual Basic (Programming Language), Development Environment, Microsoft Development Tools, Programming Principles, .NET Framework, Computer Programming, Integrated Development Environments, Application Development, Software Development, Cross Platform Development, Debugging

    4.7
    Rating, 4.7 out of 5 stars
    ·
    51 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Free
    Free
    C

    Coursera

    Build a CRUD Node.js and MongoDB employee management web-app

    Skills you'll gain: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub

    4
    Rating, 4 out of 5 stars
    ·
    24 reviews

    Intermediate · Guided Project · Less Than 2 Hours

  • Status: Free Trial
    Free Trial
    P

    Packt

    OOP concepts, Collections and Data Structures

    Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Data Structures, Debugging

    Intermediate · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    J

    Johns Hopkins University

    Social Media Analytics

    Skills you'll gain: Social Network Analysis, Network Analysis, Data Visualization, Graph Theory, Relational Databases, Data Visualization Software, Data Storytelling, Data Analysis, Social Sciences, Statistical Analysis, Machine Learning, R Programming, Analytical Skills, Sociology, Natural Language Processing, Data Manipulation, Text Mining, Analytics, Social Impact, Statistical Modeling

    4.3
    Rating, 4.3 out of 5 stars
    ·
    19 reviews

    Intermediate · Specialization · 3 - 6 Months

  • Status: Free Trial
    Free Trial
    I

    IBM

    JavaScript Full Stack Capstone Project

    Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Node.JS, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Back-End Web Development, Restful API, Application Programming Interface (API), GitHub, Javascript

    4.7
    Rating, 4.7 out of 5 stars
    ·
    40 reviews

    Advanced · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    U

    University of Colorado System

    Clinical Natural Language Processing

    Skills you'll gain: Natural Language Processing, Text Mining, Clinical Informatics, Clinical Documentation, Clinical Data Management, R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing

    3.7
    Rating, 3.7 out of 5 stars
    ·
    23 reviews

    Intermediate · Course · 1 - 3 Months

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

  • Media Relations and Crisis Management: Microsoft
  • Introduction to UX Design MasterTrack Certificate Program: University of Minnesota
  • Vibe Coding with Claude Code: Scrimba
  • Fundamentals of Data Warehousing: LearnQuest
  • Security Foundations, Threats, and Network Protection: Packt
  • Advanced Data Visualization with R: Johns Hopkins University
  • Introduction to Visual Basic Programming: LearnQuest
  • Build a CRUD Node.js and MongoDB employee management web-app: Coursera
  • OOP concepts, Collections and Data Structures: Packt
  • Social Media Analytics: Johns Hopkins University

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