Java Problem Solving

-This repository contains Java programs for problem solving and basic DSA practice. It focuses on building strong fundamentals and logical thinking using Core Java concepts. I solve problems regularly while following a structured learning approach, covering both basic and intermediate Java topics useful for interviews and academics. The goal of this repository is to strengthen problem-solving skills, maintain clean and organized code, and track my long-term Java learning progress.

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Topics Covered

1. Java Basics
2. Variables and Data Types (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Variable%20%26%20Datatype)
3. Operators (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Operators%20%26%20Expression)
4. Input and Output
5. Conditional Statements (if-else, switch) (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Conditionals%20In%20Java)
6. Loops (for, while, do-while) (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Loop%20Control%20Instruction)
7. Pattern (Part 1) (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Patterns%20(Part%201))
8. Pattern Advanced (Part 2) (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Patterns%20Advanced%20(Part%202))
9. Arrays (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Arrays%20in%20java)
10. Strings
11. Sorting Algorithms (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Sorting%20in%20java)
12. Time and Space Complexity
13. Recursion Part 1 (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Recursion%20(Part%201))
14. Recursion Part 2 (https://github.com/chetanasam522-prog/Java-Problem-Solving/tree/main/Recursion%20Advanced%20(Part%202))
15. Back Tracking
16. OOPs
17. Array List
18. Linked List
19. Stack
20. Queue
21. Trees
22. HashSet/ HashMap/ Hashing Q's
23. Graph

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Repository Structure

• Each topic has its own folder.
• Problems inside a topic are ordered.
• Each solution is written in Java.

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Learning Approach

• Start with Java fundamentals
• Write clean and readable code
• Understand logic before implementation
• Analyze time and space complexity
• Practice regularly for consistency

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Technologies Used

• Java
• VS Code

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Purpose of This Repository

• Improve Java programming skills
• Build strong problem-solving ability
• Prepare for technical interviews
• Maintain a structured Java practice repository

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Note

Each program includes:

• Clear logic
• Proper variable naming
• Beginner-friendly structure
• Interview-oriented approach