Java Foundations: Arithmetic and Unary Operators — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Java Foundations: Arithmetic and Unary Operators

Master the core mathematical and unary operations in Java to write precise calculations and manage variable states in your applications.

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About this course

Every functional software application relies on basic calculations and state changes to execute logic. Understanding how Java handles mathematical expressions and variable modifications is the critical first step toward writing efficient, bug-free code. This course guides you through these fundamental concepts from the ground up, starting with core programming terminology and basic numeric types before moving into practical code construction. By reading through clear explanations and structured code examples, you will gain a solid mental model of how the Java compiler evaluates mathematical expressions. You will learn how to prevent common calculation errors, control the order of operations, and safely modify variable values. What you'll learn: - Understand foundational Java numeric data types and how operators interact with them - Apply basic arithmetic operators for addition, subtraction, multiplication, division, and modulo - Master unary operators to increment, decrement, and invert values effectively - Navigate operator precedence and parentheses to control complex evaluation steps - Practice modern Java conventions, including type safety and clean formatting standards - Avoid common pitfalls like integer division errors and unexpected side effects from shortcut operators This text-based course is designed for absolute beginners with no prior programming experience. You will start with basic definitions and gradually progress to reading and analyzing functional Java expressions. If you are ready to build a strong foundation in Java logic, start reading today.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m 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 Foundations: Arithmetic and Unary Operators
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 Foundations: Arithmetic and Unary Operators
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.

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What do I need to take this course? +

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

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

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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.

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