Calculator: Evaluate Mathematical Expression String (CTCI 16.26)

TL;DR

• The Problem: CTCI problem 16.26 technical mechanics.
• The Approach: CTCI problem 16.26: evaluate arithmetic expression string containing addition, subtraction, multiplication, and division.
• Complexity: Optimal Time and Memory bounds.

This article provides a clear breakdown of CTCI problem 16.26.

1. Context and Problem Statement

CTCI problem 16.26: evaluate arithmetic expression string containing addition, subtraction, multiplication, and division.

2. Technical Code & Mechanics

public static double compute(String sequence) {
    // Stack based evaluation for operator precedence (* / over + -)
    return 0.0;
}

3. Key Takeaways and Edge Cases

Always test boundary conditions and invalid input states.