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Role Naming Convention Spring Security Role Convention: Roles are typically UPPERCASE,Spring automatically adds "ROLE_" prefix internally,roles("USER" 阅读全文
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Factory Class (Design Pattern) Definition: A class that creates and returns instances of other classes without exposing the instantiation logic to the 阅读全文
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LoggerFactory vs LogFactory Different Logging Frameworks: They belong to different logging libraries with distinct approaches. LogFactory (Apache Comm 阅读全文
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Extends vs Implements Different inheritance mechanisms in Java with distinct purposes and rules. Extends (Class Inheritance) Purpose: Inherits from a 阅读全文
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How Configure Methods Are Loaded and Work Loading Process Application Startup * Spring Boot starts and scans for @Configuration classes * Finds Securi 阅读全文
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Incomplete Form Login Configuration: The original security configuration only specified the login page but didn't define what happens after successful 阅读全文
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NullPointerException (NPE) Definition: A runtime exception that occurs when your code attempts to use a reference that points to no location in memory 阅读全文