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Data Structures and Algorithms using Java
- Last Updated: May 15, 2025
- Telugu, English

About Course
You have a deep understanding of essential data structures and algorithms using Java. Whether you’re a beginner or preparing for coding interviews, this course walks you through key concepts like Big O analysis, linked lists, stacks, queues, and memory management—all with Java-based implementations. You’ll solve real coding challenges, implement custom data structures, and understand how time and space complexity affects your code.
Benefits of the course
- • Analyze the time and space complexity of code using Big O notation.
- • Master the structure and behavior of Java objects and references.
- • Implement and manipulate singly and doubly linked lists from scratch.
- • Solve common interview problems using custom linked list algorithms.
- • Practice advanced problems from platforms like LeetCode and HackerRank.
- • Build and manage Stacks and Queues with their real-world applications.
- • Gain strong memory management and pointer handling intuition.
- • Improve algorithmic thinking through hands-on coding exercises.
- • Understand time complexity trade-offs for each data structure.
- • Strengthen your grasp on core data structure patterns used in interviews.
Course Content
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Big O: Introduction
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Big O: Worst Case, Best Case, Average Case
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Big O: O(1), O(n), O(n²), O(log n)
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Drop Constants & Non-Dominants
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Big O with ArrayLists
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Big O: Real-world Implications
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Exercises + Quiz
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Java Classes: Definition and Usage
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Understanding Object References
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Pointers & Memory Management Concepts
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Introduction and Use Cases
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Node Class and Constructor
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Append, Prepend, Remove Operations
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Get, Set, Insert, Reverse
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Print and Traverse Methods
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Time Complexity Analysis
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7. Coding Exercises + Quiz
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Constructor
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Append
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Remove Last / First
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Get / Set / Insert / Remove / Reverse
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Find Middle Node
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Has Loop
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Kth Node from End
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Remove Duplicates
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Binary to Decimal
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Partition List
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Reverse Between
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Swap Nodes in Pairs
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Constructor & Append
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Remove Last & First
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Prepend
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Get, Set, Insert, Remove
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Time Complexity Analysis
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Hands-on Exercises + Quiz
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Constructor
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Append
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Remove Last / First
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Get / Set / Insert / Remove
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Palindrome Checker
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Reverse DLL
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Partition DLL
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Reverse Between Nodes
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Swap Nodes in Pairs
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Stack: Intro, Constructor, Push, Pop
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Queue: Intro, Constructor, Enqueue, Dequeue
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Time and Space Complexity
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Applications in Recursion and Scheduling
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Quiz: Stacks and Queues
Instructor
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
- Update:May 15, 2025
- Lectures49
- Skill LevelIntermediate
- LanguageTelugu, English
- Course Duration: 49h
Your Instructors

Skillfused
Course Creator
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
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Requirements
- Basic knowledge of Java syntax including variables, loops, and functions is required.
- • Install Java JDK (version 8 or above) and any preferred IDE like IntelliJ, Eclipse, or VS Code.
- • A laptop or desktop computer with at least 4GB RAM and internet access is recommended.
- • Watch each video lecture and follow along by coding in your own IDE for better retention.
- • Complete modules in the given order for a smooth, progressive learning experience.
- • Practice coding exercises after each lesson to apply and test your understanding.
- • Attempt all quizzes and assignments to reinforce concepts and track your progress.
- • Refer to downloadable notes and cheatsheets for revision during practice and interviews.
- • Use the Q&A section or discussion forums to resolve doubts and learn from peers.
- • Finish all hands-on coding tasks to receive your certificate and validate your skills
Tags
Target Audience
- • Computer science and engineering students building strong programming fundamentals.
- • Aspiring software developers preparing for coding interviews and placements.
- • Java beginners ready to advance into algorithms and data structures.
- • Competitive programmers aiming to master linked lists, stacks, and queues.
- • Self-taught developers strengthening their core CS knowledge.
- • Bootcamp graduates filling gaps in algorithmic thinking using Java.
- • Working professionals revising DSA for job transitions or upskilling.
- • Freelancers and mobile/web developers wanting to write efficient Java code.
- • Final-year students preparing for product-based company interviews.
- • Anyone targeting FAANG or top tech jobs requiring deep DSA skills.
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