This 1Z0-829 practice question tests your understanding of controlling program flow. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: nested loops. 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 LoopTest {
public static void main(String[] args) {
outer:
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
if (i + j > 3) {
break outer;
}
System.out.print(i + j + " ");
}
}
}
}
Given the following Java code:
```java
for (int i = 0; i <= 2; i++) {
for (int j = i; j <= i+2; j++) {
if (j <= 3) {
System.out.print(j + " ");
}
}
}
```
What is the output?
Exhibit
Refer to the exhibit.
public class LoopTest {
public static void main(String[] args) {
outer:
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
if (i + j > 3) {
break outer;
}
System.out.print(i + j + " ");
}
}
}
}
A
0 1 2 1 2 3 2 3 4
Why wrong: 4 is not printed because break outer occurs before printing.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
0 1 2 1 2 3 2 3
The program uses nested for loops. The outer loop iterates i from 0 to 2 (inclusive). For each i, the inner loop iterates j from i to i+2 (inclusive), but due to a condition that prevents printing values greater than 3, the inner loop effectively prints j only up to 3. Thus, for i=0 it prints 0,1,2; for i=1 it prints 1,2,3; for i=2 it prints 2,3. Combined on one line, the output is '0 1 2 1 2 3 2 3', which corresponds to option B.
Key principle: Nested loops
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 1 2 1 2 3 2 3 4
Why it's wrong here
4 is not printed because break outer occurs before printing.
✓
0 1 2 1 2 3 2 3
Why this is correct
Correct sequence as per execution.
Related concept
Nested loops
✗
0 1 2 1 2 3 2 3 4 5
Why it's wrong here
Includes extra numbers.
✗
0 1 2 1 2 3 2 3 3 4
Why it's wrong here
Extra numbers from inner loop.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates miscount the number of iterations or misjudge the inner loop's termination condition, often thinking the inner loop runs from 0 to i+2 instead of from i to i+2, leading to sequences like 0 1 2 0 1 2 0 1 2 or adding extra values.
Detailed technical explanation
How to think about this question
The nested loop structure demonstrates how the inner loop's starting point depends on the outer loop's current value, creating a triangular iteration pattern. In Java, the for loop initializes the inner variable to the outer value, and the condition `j <= i + 2` ensures exactly three iterations per outer loop (i, i+1, i+2). This pattern is common in algorithms that process subarrays or sliding windows, where the starting index shifts with each outer iteration.
KKey Concepts to Remember
Nested loops
Loop bounds
Conditional execution
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
Nested loops
Real-world example
How this comes up in practice
A practitioner preparing for the 1Z0-829 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. Nested loops 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.
Review nested loops, then practise related 1Z0-829 questions on the same topic to reinforce the concept.
Controlling Program Flow — This question tests Controlling Program Flow — Nested loops.
What is the correct answer to this question?
The correct answer is: 0 1 2 1 2 3 2 3 — The program uses nested for loops. The outer loop iterates i from 0 to 2 (inclusive). For each i, the inner loop iterates j from i to i+2 (inclusive), but due to a condition that prevents printing values greater than 3, the inner loop effectively prints j only up to 3. Thus, for i=0 it prints 0,1,2; for i=1 it prints 1,2,3; for i=2 it prints 2,3. Combined on one line, the output is '0 1 2 1 2 3 2 3', which corresponds to option B.
What should I do if I get this 1Z0-829 question wrong?
Review nested loops, then practise related 1Z0-829 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Nested loops
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