Java SDET Coding Problems Practice

Usage

Each file contains:

• Problem description with examples
• Method signatures
• Test cases with expected outputs
• TODO comments for implementation Run individual files to test your solutions.

Structure

String Manipulations (15 problems)

• String reversal, anagram checking, palindrome validation
• Character manipulation, substring operations
• Vowel counting, case conversion, whitespace handling

Array Operations (4 problems)

• Element finding (smallest, largest, missing, second largest)
• Array manipulation and searching algorithms

Basic Programming (4 problems)

• Number swapping techniques
• Prime number checking
• Fibonacci series generation

Collections Framework (1 problem)

• HashMap operations for word counting

Data Structures (1 problem)

• Singly linked list implementation