[Solved] Given the following Spring Boot code snippet, what will be the output if the log level is set to WARN? logger.info("Info message"); logger.warn("Warning message"); logger.error("Error message"); | Spring Boot

Spring Boot - Logging

Given the following Spring Boot code snippet, what will be the output if the log level is set to WARN?

logger.info("Info message");
logger.warn("Warning message");
logger.error("Error message");

ANo output

BInfo message, Warning message, Error message

CError message only

DWarning message, Error message

Step-by-Step Solution

Solution:

Step 1: Understand log level filtering
When log level is set to WARN, only messages with level WARN and ERROR (higher severity) are shown.
Step 2: Identify which messages appear
Info messages are below WARN level, so they are ignored. Warning and error messages are shown.
Final Answer:
Warning message, Error message -> Option D
Quick Check:
Log level WARN shows WARN and ERROR [OK]

Quick Trick: Log level filters out lower severity messages [OK]

Common Mistakes:

Master "Logging" in Spring Boot

9 interactive learning modes - each teaches the same concept differently

More Spring Boot Quizzes

Given the following Spring Boot code snippet, what will be the output if the log level is set to WARN?