Spring Boot - Advanced Patterns
Which of the following is the correct method signature to implement in a Specification class in Spring Boot?
Which of the following is the correct method signature to implement in a Specification class in Spring Boot?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Specification interface method
The Specification interface requires implementing thetoPredicatemethod with parametersRoot,CriteriaQuery, andCriteriaBuilder.Step 2: Eliminate incorrect options
Options A, B, and C do not match the Specification interface method signature.Final Answer:
public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) -> Option AQuick Check:
Specification method = toPredicate(...) [OK]
Quick Trick: Specification requires toPredicate method with root, query, builder [OK]
Common Mistakes:
- Using methods unrelated to Specification interface
- Missing correct method parameters
- Confusing with repository methods
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