The correct output is 0,0 0,1 0,2 1,0. This result comes from nested for loops where the outer loop variable `i` runs from 0 to 1 (two iterations), and for each value of `i`, the inner loop variable `j` runs from 0 to 2 (three iterations), printing each `i,j` pair separated by a space. The inner loop completes all its cycles before the outer loop increments, so the sequence follows the pattern of fixing `i` and varying `j` through all its values. On the Oracle Java Foundations 1Z0-811 exam, this question tests your understanding of loop nesting and iteration order—a common trap is thinking the loops run in parallel or that the outer loop finishes first. A reliable memory tip: think of the outer loop as the "row" and the inner loop as the "column," so the inner loop fully fills each row before moving to the next.
1Z0-811 Control Flow and Loops Practice Question
This 1Z0-811 practice question tests your understanding of control flow and loops. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
Refer to the exhibit.
public class NestedLoop {
public static void main(String[] args) {
outer:
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
if (i == 1 && j == 1) {
break outer;
}
System.out.println(i + "," + j);
}
}
}
}
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
0,0 0,1 0,2 1,0
The program uses nested for loops: the outer loop runs with variable `i` from 0 to 1 (inclusive), and the inner loop runs with variable `j` from 0 to 2 (inclusive). For each iteration of the outer loop, the inner loop completes all its iterations, printing `i,j` pairs separated by spaces. This produces the sequence: 0,0 0,1 0,2 1,0. The outer loop stops when `i` becomes 2 (since the condition `i < 2` fails), so only two outer iterations occur.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
0,0 0,1 0,2 1,0
Why this is correct
Break outer exits the outer loop when i=1 and j=1.
Related concept
Read the scenario before looking for a memorised answer.
✗
0,0 0,1 0,2
Why it's wrong here
This would occur if break outer were placed differently.
✗
0,0 0,1 0,2 1,0 1,1 1,2 2,0 2,1 2,2
Why it's wrong here
That would happen without the break.
✗
0,0 0,1 0,2 1,0 1,1
Why it's wrong here
Break outer stops after i=1,j=1, so only 1,0 is printed before break.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume both loops run to completion without considering that a `break` statement (or a conditional early exit) may terminate the inner loop prematurely, leading them to select Option D or C instead of recognizing the truncated output.
Detailed technical explanation
How to think about this question
In Java, nested loops execute the inner loop completely for each iteration of the outer loop unless a control statement like `break` or `continue` alters the flow. The `break` statement, when placed inside an inner loop, can exit only the inner loop (or the outer loop if labeled). In this question, the code likely uses an unlabeled `break` inside the inner loop when `i == 1`, causing the inner loop to terminate after printing `1,0`. Understanding loop control flow is critical for debugging iteration logic in real-world applications like processing multi-dimensional arrays or pagination systems.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 1Z0-811 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Control Flow and Loops — This question tests Control Flow and Loops — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: 0,0 0,1 0,2 1,0 — The program uses nested for loops: the outer loop runs with variable `i` from 0 to 1 (inclusive), and the inner loop runs with variable `j` from 0 to 2 (inclusive). For each iteration of the outer loop, the inner loop completes all its iterations, printing `i,j` pairs separated by spaces. This produces the sequence: 0,0 0,1 0,2 1,0. The outer loop stops when `i` becomes 2 (since the condition `i < 2` fails), so only two outer iterations occur.
What should I do if I get this 1Z0-811 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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