Why does the pointcut expression execution(* com.example...(..)) && !within(com.example.internal..*) exclude some methods?

hard📝 Conceptual Q10 of 15

Spring Boot - Aspect-Oriented Programming

Why does the pointcut expression execution(* com.example..*.*(..)) && !within(com.example.internal..*) exclude some methods?

AIt excludes all methods in the package com.example.internal and its subpackages

BIt excludes methods with private access modifier

CIt excludes methods not returning void

DIt excludes methods with no arguments

Step-by-Step Solution

Solution:

Step 1: Understand the positive match
execution(* com.example..*.*(..)) matches all methods in com.example package and subpackages.
Step 2: Understand the negation with !within
!within(com.example.internal..*) excludes all methods in the internal package and its subpackages.
Final Answer:
It excludes all methods in the package com.example.internal and its subpackages -> Option A
Quick Check:
Negation excludes internal package methods = It excludes all methods in the package com.example.internal and its subpackages [OK]

Quick Trick: Use !within() to exclude packages or classes [OK]

Common Mistakes:

Master "Aspect-Oriented Programming" in Spring Boot

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Spring Boot Quizzes