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Learn Java Logging – Module 4 Lesson 1 – Quiz

Last updated: November 26, 2025

Written by: komal

Learn Java Logging
Lesson 1: Using a Logging Facade – SLF4J
Learn Java Logging – Module 4 Lesson 1 – Quiz

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Question 1 of 5

1. Question

What is the primary problem that SLF4J was designed to solve?

It fixes performance issues found in java.util.logging.
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It allows applications to run without any logging configuration.
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It manages the complexity of having multiple logging engines and configurations in a single project and its dependencies.
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It provides a way to write logs directly to a database without an appender.
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Question 2 of 5

2. Question

Which of the following statements describes the “most important rule” regarding SLF4J bindings?

We must include bindings for every framework (Logback, Log4j2, and JUL) simultaneously.
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We must write our own binding for custom logging.
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We should only include the API jar; the binding is optional.
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We must have one and only one binding on our classpath at runtime.
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Question 3 of 5

3. Question

When using SLF4J, what is required to switch from Log4j2 to Logback?

We only need to change the binding dependency in the build configuration (and the config file).
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We must change the import statements in the Java classes.
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We must rewrite all Logger.info() calls in the source code.
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We must recompile the SLF4J API jar file.
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Question 4 of 5

4. Question

How does SLF4J handle libraries that bypass the facade and use a specific framework (like java.util.logging) directly?

It ignores those logs completely.
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It throws a runtime exception to prevent inconsistency.
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It provides "bridges" (e.g., jul-to-slf4j) that intercept the calls and redirect them to SLF4J.
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It automatically decompiles and recompiles the library to use SLF4J.
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Question 5 of 5

5. Question

What is the main tradeoff of using the SLF4J facade mentioned in the lesson?

It significantly increases the startup time of the JVM.
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The API is a "least common denominator," meaning it does not expose advanced features specific to certain underlying frameworks.
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It does not support logging levels like DEBUG or ERROR.
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It forces all logs to be written in XML format only.
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