Java Programming with Practical Coding Exercises — PickAClass
★ 3.5 (2) ⏱ 3h 4m 📚 30 lessons 🎧 Audio version

Java Programming with Practical Coding Exercises

Build a strong foundation in Java and object-oriented programming through a series of structured coding practices and logic-building challenges.

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About this course

Understanding a programming language requires more than just reading definitions; it requires applying logic to solve diverse problems. This course transforms you from a novice to a confident coder by focusing on the practical application of Java through extensive written exercises and problem-solving scenarios. You will gain the skills necessary to write clean, efficient code while developing the algorithmic thinking required for modern software development. By the end of this program, you will be able to translate complex requirements into working Java applications. What you'll learn: - Learn foundational Java syntax including variables, data types, and arithmetic operations - Master control flow by building logic for calculators, sequence generators, and pattern printing - Practice array and string manipulation techniques to handle and transform data effectively - Apply object-oriented principles like inheritance, interfaces, and polymorphism to structure applications - Understand modern Java enhancements such as records and local variable type inference - Develop algorithmic thinking by solving matrix operations and mathematical challenges The course begins with essential Java terminology and environment concepts before progressing through increasingly complex logic, data structures, and object-oriented design patterns. You will read through detailed explanations and apply your knowledge via written coding tasks. This course is designed for absolute beginners with no prior programming experience who want a clear, text-based path to coding proficiency. Begin mastering Java through focused practice today.

Course contents

6 modules · 30 lessons · 3h 4m

1 Java Foundations
Master basic syntax and the development environment.
5 lessons · 30 min
  1. Java Ecosystem & Terminology
    Understanding the JVM, JRE, and JDK in simple terms.
    6 min
  2. Variables and Primitive Types
    Storing data using int, double, boolean, and char.
    6 min
  3. Arithmetic Operators
    Performing calculations using addition, subtraction, and modulo.
    6 min
  4. Capturing User Input
    Using the Scanner class to make programs interactive.
    6 min
  5. Modern Java: The 'var' Keyword
    Using local variable type inference for cleaner code.
    6 min
2 Control Flow & Logic Building
Learn to guide program execution using conditions and loops.
6 lessons · 38 min
  1. Conditional Logic with If-Else
    Making decisions in code based on boolean conditions.
    6 min
  2. Project: Simple Console Calculator
    Combining arithmetic and logic to solve user-defined math problems.
    7 min
  3. Looping Basics: For and While
    Repeating tasks efficiently using standard loop structures.
    6 min
  4. Generating Number Sequences
    Using loops to create Fibonacci or prime number sequences.
    6 min
  5. Nested Loops & Pattern Printing
    Creating visual shapes and grids in the console.
    7 min
  6. Switch Expressions
    Using modern switch syntax for multi-way branching.
    6 min
3 Data Handling: Arrays and Strings
Manage collections of data and text effectively.
6 lessons · 38 min
  1. Introduction to Arrays
    Storing multiple values of the same type in a single variable.
    6 min
  2. Array Manipulation Techniques
    Searching, reversing, and updating elements in an array.
    6 min
  3. Multi-dimensional Arrays
    Understanding matrices and 2D data structures.
    7 min
  4. Matrix Operations
    Implementing matrix addition and diagonal traversal.
    7 min
  5. String Fundamentals
    Working with text and understanding immutability.
    6 min
  6. String Transformation Methods
    Using substring, replace, and split for data formatting.
    6 min
4 Object-Oriented Programming (OOP) Core
Structure applications using classes and objects.
5 lessons · 30 min
  1. Classes and Object Creation
    Defining blueprints and instantiating real-world entities.
    6 min
  2. Inheritance: Extending Classes
    Reusing code by creating parent-child relationships.
    6 min
  3. Polymorphism: Overriding Methods
    Allowing different objects to respond to the same call in unique ways.
    6 min
  4. Polymorphism: Overloading
    Defining multiple methods with the same name but different parameters.
    6 min
  5. Encapsulation & Access Modifiers
    Protecting data using private fields and public getters/setters.
    6 min
5 Advanced OOP & Modern Java
Apply high-level design principles and modern features.
5 lessons · 30 min
  1. Interfaces: Defining Behavior
    Creating contracts that classes must implement.
    6 min
  2. Abstract Classes
    Using partial blueprints for complex hierarchies.
    6 min
  3. Modern Java: Records
    Using records as concise data carriers instead of boilerplate classes.
    6 min
  4. Composition over Inheritance
    Designing flexible systems by combining objects.
    6 min
  5. Exception Handling Basics
    Using try-catch blocks to handle runtime errors gracefully.
    6 min
6 Algorithmic Thinking & Practical Logic
Combine all skills to solve complex problems.
3 lessons · 18 min
  1. Mathematical Challenges
    Solving problems like GCD, LCM, and prime factorization.
    6 min
  2. Algorithmic Problem Solving
    Breaking down complex requirements into step-by-step logic.
    6 min
  3. Final Logic Drills
    Applying arrays, strings, and OOP to a unified problem.
    6 min
Final project

The Java Logic Suite

Develop a multi-functional console application that includes a Matrix Solver, a Pattern Generator, and a Shape Area Calculator using OOP, Records, and Interfaces.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h 4m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Programming with Practical Coding Exercises
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Java Programming with Practical Coding Exercises
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (2)

سعيد بن ناصر المري QA Verified learner
★ 3 · August 19, 2026

Hmm, I'm not sure this is for absolute beginners. It assumes a bit of prior knowledge that wasn't explicitly taught. Some examples were confusing.

Ganiyat Osho NG Verified learner
★ 4 · August 15, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

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