John Wiley & Sons

OCP Java SE 21 Certification Preparation Specialization

John Wiley & Sons

OCP Java SE 21 Certification Preparation Specialization

Master Java SE 21 for Certification.

Prepare for the OCP Java SE 21 exam with advanced Java skills and hands-on practice.

Included with Coursera Plus

Get in-depth knowledge of a subject
Intermediate level

Recommended experience

4 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Get in-depth knowledge of a subject
Intermediate level

Recommended experience

4 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Understand Java class structure and object creation.

  • Master Java operators and decision-making logic.

  • Apply core APIs for strings, arrays, and dates.

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Taught in English
Recently updated!

May 2026

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  • Earn a career certificate from John Wiley & Sons

Specialization - 3 course series

What you'll learn

  • Understand Java SE 21 syntax, operators, and control flow constructs.

  • Gain hands-on experience with Java's core APIs like Strings and arrays.

  • Develop efficient Java code through practical examples and real-world applications.

Skills you'll gain

Category: Java Programming
Category: Object Oriented Design
Category: Computer Programming
Category: Computational Logic
Category: Memory Management
Category: Object Oriented Programming (OOP)
Category: API Design
Category: Data Structures
Category: Java
Category: Programming Principles
Java SE 21 OOP and Functional Techniques

Java SE 21 OOP and Functional Techniques

Course 2, 8 hours

What you'll learn

  • Design and implement robust Java applications using OOP and functional programming techniques.

  • Master advanced Java features, including lambdas, collections, and generics.

  • Utilize modern Java paradigms to create efficient and scalable software solutions.

Skills you'll gain

Category: Java Programming
Category: Object Oriented Programming (OOP)
Category: Object Oriented Design
Category: Data Modeling
Category: Functional Design
Category: Software Design Patterns
Category: Software Design
Category: Data Management
Category: Code Reusability
Category: Maintainability
Category: Java
Java SE 21: Streams, Modules, Concurrency & I/O

Java SE 21: Streams, Modules, Concurrency & I/O

Course 3, 9 hours

What you'll learn

  • Understand stream processing and modular programming in Java SE 21.

  • Implement concurrency and exception handling to optimize Java applications.

  • Utilize file I/O operations to enhance application performance.

Skills you'll gain

Category: Java Programming
Category: File Management
Category: Java
Category: Data Persistence
Category: Software Design
Category: Data Management
Category: Object Oriented Programming (OOP)
Category: File Systems

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Instructor

Wiley Skills Network
John Wiley & Sons
103 Courses5,482 learners

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