What is the output of the following Java code?

medium📝 Predict Output Q4 of 15

Java - Arrays

int[][] arr = {{1, 2, 3}, {4, 5, 6}};
System.out.println(arr[1][0]);

Step-by-Step Solution

Solution:

Step 1: Identify the element at arr[1][0]
arr[1] is the second row: {4, 5, 6}. The element at index 0 is 4.
Step 2: Print the value
System.out.println prints 4.
Final Answer:
4 -> Option B
Quick Check:
arr[1][0] = 4 [OK]

Quick Trick: Remember zero-based indexing for rows and columns [OK]

Common Mistakes:

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