[Solved] Which line in application.properties below will cause a syntax error?spring.application.name=DemoApp spring.application-version=1.0 spring.application.port=8080 | Spring Boot

Spring Boot - Application Configuration

Which line in application.properties below will cause a syntax error?

spring.application.name=DemoApp
spring.application-version=1.0
spring.application.port=8080

Aspring.application-version=1.0

Bspring.application.name=DemoApp

Cspring.application.port=8080

DNone of the above

Step-by-Step Solution

Solution:

Step 1: Check property key syntax rules
Keys must use dots to separate words, dashes are not valid separators.
Step 2: Identify invalid key
spring.application-version uses a dash, which is invalid syntax.
Final Answer:
spring.application-version=1.0 -> Option A
Quick Check:
Property keys use dots, not dashes [OK]

Quick Trick: Use dots, not dashes, in property keys [OK]

Common Mistakes:

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Which line in application.properties below will cause a syntax error?