Java Lab — Java Programming Coursework

A collection of Java lab programs organized by topic. Each Java source file begins with a short Question: comment describing the problem it addresses.

Repository structure

• 01_Basic_Java_Programs/ — 12 programs
• 02_Number_Based_Programs/ — 8 programs
• 03_Arrays_and_Matrices/ — 2 programs
• 04_Search_Sorting_and_Recursion/ — 4 programs
• 05_Classes_Objects_and_Constructors/ — 7 programs
• 06_Mathematical_and_Utility_Programs/ — 4 programs
• 07_Servlet_Program/ — 1 servlet program and dependency/setup guide

Topics covered

• Basic input/output, operators, conditionals, and switch statements
• Number operations, GCD, factorial, prime numbers, palindrome, and Armstrong numbers
• Jagged arrays and matrix addition
• Linear search, bubble sort, decimal-to-binary conversion, and recursion
• Classes, objects, constructors, student and employee records
• Grade calculation, income tax, time conversion, and quadratic equations
• Jakarta Servlets and JSON responses using Gson

Note

• ExampleServlet.java requires the Jakarta Servlet API, Gson, and a compatible servlet container. See 07_Servlet_Program/DEPENDENCIES_AND_SETUP.md.