Basic Array Operations

Learning Objective: Understand basic array operations including element access, modification, and getting length

Overview

Create a program that creates an integer array and performs basic operations (element access, modification, traversal).

Specifications

1. Initialize array with 5 integers {10, 20, 30, 40, 50}
2. Output the array length
3. Output the element at index 0
4. Change the element at index 2 to 100
5. Output all elements after modification

Output Format

Length: 5
First element: 10
After modification: 10 20 100 40 50