[Solved] Given the following Spring Boot repository method call:Optional user = userRepository.findById(5L);What will user.isPresent() return if no user with ID 5 exists in the database? | Spring Boot

Spring Boot - Docker and Deployment

Given the following Spring Boot repository method call:

Optional user = userRepository.findById(5L);

What will user.isPresent() return if no user with ID 5 exists in the database?

Atrue

BThrows an exception

Cnull

Dfalse

Step-by-Step Solution

Solution:

Step 1: Understand findById return type
findById returns an Optional which is empty if no matching record is found.
Step 2: Check isPresent behavior
isPresent() returns false when Optional is empty, meaning no user found.
Final Answer:
false -> Option D
Quick Check:
Optional empty means isPresent() = false [OK]

Quick Trick: Optional.isPresent() false means no data found [OK]

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