Array Copying with Arrays.copyOf()

Learning Objective: Understand how to copy and resize arrays using Arrays.copyOf()

Overview

Use Arrays.copyOf() to copy and expand arrays.

Specifications

• Create original array {1, 2, 3}
• Copy with same size
• Copy with expanded size (5 elements)
• Verify original and copy are independent

Output Format

Original: 1 2 3
Copy: 1 2 3
Expanded: 1 2 3 0 0
After modifying copy, original: 1 2 3