I will help you with java programming, oop and fix your java code

L
linojuan
L
linojuan
Lino J.

About this gig

Stuck on a tricky Java bug, NullPointerException, OOP concept, or algorithm problem?


I will help you debug, fix, and write clean, object-oriented Java code with clear explanations and best practices.


PROBLEMS I RESOLVE IN JAVA:

Bug Fixing: NullPointerExceptions, syntax/compilation errors, and logic bugs.

Object-Oriented Programming (OOP): Inheritance, Polymorphism, Interfaces, and Abstract Classes.

Data Structures: ArrayList, LinkedList, HashMap, HashSet, Stack, Queue, Binary Trees.

Algorithms: Sorting, Searching, Recursion, and Graph traversal.

File I/O, Exception Handling, Multi-threading, and Collections API.

Unit Testing: JUnit test suite writing and validation.


WHAT YOU RECEIVE:

Working, fully tested Java source code.

Clear comments explaining how the code works and how the bug was fixed.

Fast delivery following standard Java conventions.


️ NOTE:

Please attach your .java files and project instructions when submitting requirements!

Get to know Lino J.

Lino J.

Software Developer

  • FromMexico
  • Member sinceOct 2020
  • Avg. response time1 hour
  • Last deliveryabout 5 hours
  • Languages

    English, Spanish
Software Developer specializing in C, Java, Python, and Database Management. I provide efficient, high-quality coding solutions for challenging academic and professional projects. I have 3 semesters of formal experience with Java (OOP, Data Structures) and a strong foundation in C/C++ for systems and algorithms. I also have hands-on experience with databases like MySQL (Relational) and MongoDB (NoSQL). What I can do for you: Solve complex bugs and errors across multiple languages. Develop functional scripts using Python and Java. Implement and optimize data structures and algorithms. And more.