Array Copy: Data Backup

Learning Objective: Understand array copy methods and reference differences

Overview

Create a program to copy an array and verify that modifying the original array does not affect the copied array.

Specifications

• Create integer array original initialized with {10, 20, 30}
• Use Arrays.copyOf() method to copy the array
• Change the first element of the original array to 99
• Output the first element of both original and copied arrays

Output Format

Original: 99
Copy: 10

Hint: You need to import the java.util.Arrays class.