Java Application Development for Beginners: Build a BMI Calculator — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Java Application Development for Beginners: Build a BMI Calculator

Learn foundational Java programming and software development basics by writing, structuring, and testing your own body mass index calculator application.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Want to learn software development but do not know where to start? Building a practical, real-world utility like a Body Mass Index (BMI) calculator is the perfect way to master programming fundamentals. This text-based course guides you through the core concepts of the Java programming language. You will transition from understanding basic syntax to writing clean, structured code, handling user input, performing calculations, and organizing your application logic like a professional developer. What you'll learn: Learn foundational Java syntax, variables, data types, and operators; Understand how to capture, process, and validate user input from the console; Apply conditional logic to categorize BMI results and safely handle edge cases; Practice writing clean, modular code using modern Java features and methods; Configure basic unit tests to ensure your application calculations are completely accurate; Master the fundamentals of object-oriented programming through a practical project. You will start with key programming terminology and Java installation concepts before moving step-by-step through writing, refining, and testing your BMI calculator application. This course is designed for absolute beginners with no prior programming experience who want a clear, structured introduction to Java. Start your software development journey today and build your first functional Java application.

Course contents

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
    2h 54m 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Application Development for Beginners: Build a BMI Calculator
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
P
PickAClass — Name Surname
Java Application Development for Beginners: Build a BMI Calculator
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

No reviews yet — be the first to share your experience.

Write a review

☆☆☆☆☆
You'll be asked to sign in after sending — your draft is saved.

Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing