[Solved] Identify the error in this application.properties snippet:server.port: 9090 spring.application.name=MyApp | Spring Boot

Spring Boot - Application Configuration

Identify the error in this application.properties snippet:

server.port: 9090
spring.application.name=MyApp

AKey names should be uppercase

BNo error, syntax is correct

CUsing colon instead of equal sign for server.port

DMissing quotes around MyApp

Step-by-Step Solution

Solution:

Step 1: Check key-value separator
In application.properties, both equal sign (=) and colon (:) are valid separators, as per Java Properties format.
Step 2: Verify other syntax rules
Keys use lowercase with dots, quotes optional for simple values like 'MyApp' and numbers.
Final Answer:
No error, syntax is correct -> Option B
Quick Check:
= and : both valid [OK]

Quick Trick: Properties support =, :, or space as separators [OK]

Common Mistakes:

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