Java TreeSet Foundations and Number Queries
Master the TreeSet collection in Java to efficiently search, filter, and query numeric data through structured, hands-on written exercises.
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AI instructor
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Start anytime
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In English
Lessons, tasks and certificate โ all fully in your language.
About this course
Working with sorted data is a fundamental requirement in software development, yet choosing the wrong data structure can make your applications slow and inefficient. This course introduces you to Java's TreeSet, a powerful member of the Collections Framework designed for maintaining sorted order and performing rapid lookups. You will transition from basic array manipulation to writing elegant, high-performance collection queries. What you'll learn: Understand the core mechanics of Java TreeSet and how it differs from other Set implementations; Implement efficient range queries to filter numbers based on custom thresholds; Retrieve the minimum and maximum values from a collection instantly; Apply modern Java features like type safety, generics, and basic Stream API operations; Solve practical programming exercises focused on numeric data analysis. You will start with essential definitions and foundational concepts before moving step-by-step through practical, text-based coding exercises. This course is designed for beginner Java developers who want to strengthen their understanding of data structures without any complex prerequisites. Start reading today to write cleaner, faster Java code.
What you'll get
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Certificate of completion
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Personal AI tutor
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Audio version included
Learn on the go โ no screen needed -
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Lifetime access
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Phone or computer
Works anywhere, any device -
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14-day refund
No questions asked -
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Short & focused
2h 48m of practical content
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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 donโt store card details โ Stripe handles them securely.
Can I get a refund? +
Yes โ 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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