Spring Boot - Inversion of Control and Dependency Injection
Which of the following is the correct method signature for a custom initialization method in a Spring bean?
Which of the following is the correct method signature for a custom initialization method in a Spring bean?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand initialization method requirements
Custom init methods must be public, return void, and take no arguments.Step 2: Check each option's signature
Only 'public void init()' matches the required signature for Spring init methods.Final Answer:
public void init() -> Option CQuick Check:
Init method signature = public void no-args [OK]
Quick Trick: Init methods must be public, void, and no-argument [OK]
Common Mistakes:
- Using private or static methods
- Returning non-void types
- Adding parameters to init methods
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