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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

    • C

      Codio

      Java Basics: Selection and Iteration

      Skills you'll gain: Debugging, Java, Programming Principles, Computer Programming, Integrated Development Environments, Data Structures

      4.6
      Rating, 4.6 out of 5 stars
      ·
      110 reviews

      Beginner · Course · 1 - 4 Weeks

    • I

      IBM

      Java Development from IBM

      Skills you'll gain: Spring Framework, Software Development Life Cycle, Java, Java Programming, Hibernate (Java), Git (Version Control System), GitHub, Relational Databases, HTML and CSS, Object Oriented Programming (OOP), Spring Boot, Development Environment, Version Control, Web Design and Development, Restful API, Hypertext Markup Language (HTML), Generative AI, Interviewing Skills, CI/CD, Professional Networking

      4.6
      Rating, 4.6 out of 5 stars
      ·
      4.8K reviews

      Beginner · Professional Certificate · 3 - 6 Months

    • D

      Duke University

      Java Programming: Arrays, Lists, and Structured Data

      Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Computer Programming, Algorithms, Encryption, Web Analytics and SEO, Web Servers, File Management, Software Development

      4.7
      Rating, 4.7 out of 5 stars
      ·
      3.2K reviews

      Beginner · Course · 1 - 3 Months

    • L

      LearnQuest

      Spring - Ecosystem and Core

      Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Java, Integration Testing, Extensible Markup Language (XML), Application Development, Software Design Patterns

      3.8
      Rating, 3.8 out of 5 stars
      ·
      410 reviews

      Intermediate · Course · 1 - 4 Weeks

    • U

      University of California San Diego

      Learn to Teach Java: Inheritance and Recursion

      Skills you'll gain: Java, Debugging, Program Development, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Algorithms

      4.7
      Rating, 4.7 out of 5 stars
      ·
      10 reviews

      Beginner · Course · 1 - 3 Months

    • M

      Meta

      Introduction to Front-End Development

      Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), Hypertext Markup Language (HTML), Web Design and Development, Web Development, Web Applications, Cascading Style Sheets (CSS), React.js, Javascript

      4.8
      Rating, 4.8 out of 5 stars
      ·
      12K reviews

      Beginner · Course · 1 - 4 Weeks

    • Placeholder
      U

      University of Michigan

      Web Design for Everybody: Basics of Web Development & Coding

      Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Hypertext Markup Language (HTML), Browser Compatibility, Bootstrap (Front-End Framework), Javascript, Front-End Web Development, User Interface (UI), Verification And Validation, Web Development, Interactive Design, Web Design and Development, Application Frameworks, Event-Driven Programming, Web Applications, Usability

      4.7
      Rating, 4.7 out of 5 stars
      ·
      35K reviews

      Beginner · Specialization · 3 - 6 Months

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      G

      Google Cloud

      Google Cloud Fundamentals: Core Infrastructure 日本語版

      Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Kubernetes, Infrastructure As A Service (IaaS), Cloud Applications, Identity and Access Management, Cloud Computing, Cloud Storage, Containerization, Network Infrastructure, Virtual Machines, Platform As A Service (PaaS), Serverless Computing, Load Balancing

      4.5
      Rating, 4.5 out of 5 stars
      ·
      706 reviews

      Beginner · Course · 1 - 3 Months

    • Placeholder
      L

      LearnQuest

      Writing Java Application Code

      Skills you'll gain: Java, Application Servers, Web Applications, Development Environment, Java Programming, Application Development, Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface

      4.4
      Rating, 4.4 out of 5 stars
      ·
      53 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Placeholder
      L

      LearnQuest

      Java Enterprise Edition

      Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Object-Relational Mapping, Application Development, Web Servers, Scripting Languages, Scripting, Server Side, Data Storage, Web Services, Session Initiation Protocols, Web Development, Hypertext Markup Language (HTML), Distributed Computing, Extensible Languages and XML, Network Protocols, Transaction Processing

      4.6
      Rating, 4.6 out of 5 stars
      ·
      201 reviews

      Intermediate · Specialization · 1 - 3 Months

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      C

      California Institute of the Arts

      Graphic Design

      Skills you'll gain: Typography, Design Elements And Principles, Graphic Design, Graphic and Visual Design, Logo Design, Digital Design, Color Theory, Adobe InDesign, Brand Strategy, Style Guides, Branding, Graphic and Visual Design Software, Creative Design, Design, Visual Design, Adobe Photoshop, Design Strategies, Design Reviews, Design Research, Storytelling

      4.7
      Rating, 4.7 out of 5 stars
      ·
      21K reviews

      Beginner · Specialization · 3 - 6 Months

    • Placeholder
      C

      Codio

      Programming in Java: A Hands-on Introduction

      Skills you'll gain: Apache Maven, Data Import/Export, Object Oriented Programming (OOP), JSON, Debugging, Java Programming, JUnit, Java, Software Documentation, Programming Principles, Computer Programming, Data Structures, Restful API, Integrated Development Environments, File Management, Data Validation, Network Protocols, Unit Testing, Computational Thinking, Data Integrity

      4.6
      Rating, 4.6 out of 5 stars
      ·
      182 reviews

      Beginner · Specialization · 3 - 6 Months

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

    • Java Basics: Selection and Iteration: Codio
    • Java Development from IBM: IBM
    • Java Programming: Arrays, Lists, and Structured Data: Duke University
    • Spring - Ecosystem and Core: LearnQuest
    • Learn to Teach Java: Inheritance and Recursion: University of California San Diego
    • Introduction to Front-End Development: Meta
    • Web Design for Everybody: Basics of Web Development & Coding: University of Michigan
    • Google Cloud Fundamentals: Core Infrastructure 日本語版: Google Cloud
    • Writing Java Application Code: LearnQuest
    • Java Enterprise Edition: LearnQuest

    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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