You want to log method calls for all public methods in com.example.repository package and its subpackages before execution. Which @Before pointcut expression is correct?

hard📝 Application Q8 of 15

Spring Boot - Aspect-Oriented Programming

You want to log method calls for all public methods in com.example.repository package and its subpackages before execution. Which @Before pointcut expression is correct?

A@Before("execution(public * com.example.repository..*(..))")

B@Before("execution(* com.example.repository.*(..))")

C@Before("execution(public * com.example.repository.*.*(..))")

D@Before("execution(public * com.example.repository.*(..))")

Step-by-Step Solution

Solution:

Step 1: Understand pointcut syntax for package and subpackages
.. in package means all subpackages; * matches method names; public restricts visibility.
Step 2: Compare options
@Before("execution(public * com.example.repository..*(..))") correctly uses public, package with .. for subpackages, and method wildcard *(..).
Final Answer:
@Before("execution(public * com.example.repository..*(..))") -> Option A
Quick Check:
Use .. for subpackages and public for visibility [OK]

Quick Trick: Use '..' to include subpackages in pointcut [OK]

Common Mistakes:

Omitting '..' to include subpackages
Incorrect method wildcard usage
Missing public visibility in pointcut

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You want to log method calls for all public methods in com.example.repository package and its subpackages before execution. Which @Before pointcut expression is correct?

Step 1: Understand pointcut syntax for package and subpackages

Step 2: Compare options

Final Answer:

Quick Check:

Want More Practice?