[Solved] Identify the error in the following code snippet:int[][] arr = new int[3][3]; arr[3][0] = 5; — Ans: ArrayIndexOutOfBoundsException at runtime | Java

Java - Arrays

Identify the error in the following code snippet:

int[][] arr = new int[3][3];
arr[3][0] = 5;

ASyntax error: invalid array declaration

BArrayIndexOutOfBoundsException at runtime

CNo error, code runs fine

DNullPointerException at runtime

Step-by-Step Solution

Solution:

Step 1: Check array size and indexing
Array has indices 0 to 2 for rows. Accessing arr[3][0] is out of bounds.
Step 2: Identify runtime error
This causes ArrayIndexOutOfBoundsException at runtime.
Final Answer:
ArrayIndexOutOfBoundsException at runtime -> Option B
Quick Check:
Index out of bounds causes runtime exception [OK]

Quick Trick: Array indices go from 0 to length-1 [OK]

Common Mistakes:

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