What will be the output of the following code?

medium📝 Predict Output Q13 of 15

Java - Arrays

int[] arr = {5, 10, 15};
for(int i = 0; i < arr.length; i++) {
  System.out.print(arr[i] + " ");
}

A5 10 15

B15 10 5

C5 10 15 0

DError: ArrayIndexOutOfBoundsException

Step-by-Step Solution

Solution:

Step 1: Understand the loop iteration
The loop runs from i=0 to i=2 (arr.length=3), printing arr[i] each time.
Step 2: Check printed values
Values printed are arr[0]=5, arr[1]=10, arr[2]=15, each followed by a space.
Final Answer:
5 10 15 -> Option A
Quick Check:
Print elements in order = 5 10 15 [OK]

Quick Trick: Prints elements in order from index 0 to length-1 [OK]

Common Mistakes:

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