004-006-004

Array Assignment: Sharing Arrays

Medium

Problem Description

Array Assignment: Sharing Arrays

Learning Objective: Understand that array assignment shares the reference

Overview

When you assign an array variable to another, they share the same array. Changes in one affect the other.

Specifications

Initialize array original with {1, 2, 3}
Assign original to copy
Change copy[0] to 100
Display original[0] and copy[0]

Output Format

original[0]: 100
copy[0]: 100

Test Cases

※ Output examples follow programming industry standards

Input:

Expected Output:

original[0]: 100
copy[0]: 100

❌ Some tests failed

❌ エラー発生

Your Solution

Current Mode:● My Code

public class Main {
  public static void main(String[] args) {
  // 元の配列
  int[] original = {1, 2, 3};
  // 配列 代入ment (sharing reference)
  int[] copy = original;
  // 変更: で copy affects original
  copy[0] = 100;
  // 両方: become 100
  System.out.println("original[0]: " + original[0]);
  System.out.println("copy[0]: " + copy[0]);
  }
}

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