Quick Answer
The answer is 1.234,57 €. This output is correct because the Java NumberFormat class, when instantiated with the Germany locale via `NumberFormat.getCurrencyInstance(Locale.GERMANY)`, applies locale-specific currency formatting rules: the Euro symbol (€) appears after the amount, a comma serves as the decimal separator, and a dot is used as the thousands grouping separator. On the Oracle Certified Professional Java SE 17 Developer 1Z0-829 exam, this question tests your understanding of how `NumberFormat` handles currency formatting across different locales, a common pitfall being confusion between the US and German formatting conventions. Many candidates mistakenly expect a leading currency symbol or a dot as the decimal separator. A reliable memory tip: for the German locale, think "Euro after, comma for cents, dot for thousands"—just like reading a German price tag.
This 1Z0-829 practice question tests your understanding of handling date, time, text, numeric and boolean values. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Refer to the exhibit. Exhibit: ``` NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.GERMANY); double value = 1234.5678; System.out.println(nf.format(value)); ```
What is the output of the code in the exhibit?
Refer to the exhibit. Exhibit: ``` NumberFormat nf = NumberFormat.getCurrencyInstance(Locale.GERMANY); double value = 1234.5678; System.out.println(nf.format(value)); ```
1,234.57 €
Why wrong: Incorrect: wrong decimal separator for Germany.
€1,234.57
Why wrong: Incorrect: that is US format with euro symbol.
€ 1.234,57
Why wrong: Incorrect: spacing is wrong for Germany.
1.234,57 €
Correct: German format with comma as decimal.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
1.234,57 €
Option B is correct. In Germany, the currency symbol is €, and the format uses comma as decimal separator and dot as group separator, resulting in '1.234,57 €'. Option A uses wrong symbol and grouping. Option C uses wrong decimal separator. Option D is a different locale format.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
1,234.57 €
Why it's wrong here
Incorrect: wrong decimal separator for Germany.
€1,234.57
Why it's wrong here
Incorrect: that is US format with euro symbol.
€ 1.234,57
Why it's wrong here
Incorrect: spacing is wrong for Germany.
1.234,57 €
Why this is correct
Correct: German format with comma as decimal.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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. 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
Identify which 1Z0-829 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Handling Date, Time, Text, Numeric and Boolean Values — This question tests Handling Date, Time, Text, Numeric and Boolean Values — Read the scenario before looking for a memorised answer..
The correct answer is: 1.234,57 € — Option B is correct. In Germany, the currency symbol is €, and the format uses comma as decimal separator and dot as group separator, resulting in '1.234,57 €'. Option A uses wrong symbol and grouping. Option C uses wrong decimal separator. Option D is a different locale format.
Identify which 1Z0-829 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Variation 1. Which of the following correctly formats a NumberFormat instance to display a currency value for the US locale with exactly two decimal places, rounding half-up?
easyWhy D: Option D is correct because `NumberFormat.getCurrencyInstance(Locale.US)` already defaults to exactly two decimal places for currency formatting in the US locale, and its default rounding mode is `RoundingMode.HALF_EVEN`. However, the question asks for 'exactly two decimal places, rounding half-up.' The default behavior already provides exactly two decimal places, so no additional configuration is needed for that. The rounding mode is not specified in the question as a required change from default; the default `HALF_EVEN` is acceptable unless explicitly overridden. Thus, D alone satisfies the requirement of displaying a currency value with exactly two decimal places.
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Last reviewed: Jun 24, 2026
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