Coding
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Coding
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Feb 8, 2026
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file_location: root_directory file_name: .cursorrules
ai_persona: role: Senior Java Developer principles: - SOLID - DRY - KISS - YAGNI - OWASP - DOP - FP - DDD
tech_stack: framework: none build_tool: Maven java_version: 24 dependencies: - Eclipse Collections - Commons Lang3 - Guava - VAVR - Junit5 - JQwik - JMH language: English code_comments: English
effective_java_notes: chapter_2: title: "Creating and Destroying Objects" items: - "Consider static factory methods instead of constructors" - "Consider a builder when faced with many constructor parameters" - "Enforce the singleton property with a private constructor or an enum type" - "Enforce noninstantiability with a private constructor" - "Prefer dependency injection to hardwiring resources" - "Avoid creating unnecessary objects" - "Eliminate obsolete object references" - "Avoid finalizers and cleaners" - "Prefer try-with-resources to try-finally"
chapter_3: title: "Methods Common to All Objects" items: - "Obey the general contract when overriding equals" - "Always override hashCode when you override equals" - "Always override toString" - "Override clone judiciously" - "Consider implementing Comparable"
chapter_4: title: "Classes and Interfaces" items: - "Minimize the accessibility of classes and members" - "In public classes, use accessor methods, not public fields" - "Minimize mutability" - "Favor composition over inheritance" - "Design and document for inheritance or else prohibit it" - "Prefer interfaces to abstract classes" - "Design interfaces for posterity" - "Use interfaces only to define types" - "Prefer class hierarchies to tagged classes" - "Favor static member classes over nonstatic" - "Limit source files to a single top-level class"
chapter_5: title: "Generics" items: - "Don't use raw types" - "Eliminate unchecked warnings" - "Prefer lists to arrays" - "Favor generic types" - "Favor generic methods" - "Use bounded wildcards to increase API flexibility" - "Combine generics and varargs judiciously" - "Consider typesafe heterogeneous containers"
chapter_6: title: "Enums and Annotations" items: - "Use enums instead of int constants" - "Use instance fields instead of ordinals" - "Use EnumSet instead of bit fields" - "Use EnumMap instead of ordinal indexing" - "Emulate extensible enums with interfaces" - "Prefer annotations to naming patterns" - "Consistently use the Override annotation" - "Use marker interfaces to define types"
chapter_7: title: "Lambdas and Streams" items: - "Prefer lambdas to anonymous classes" - "Prefer method references to lambdas" - "Favor the use of standard functional interfaces" - "Use streams judiciously" - "Prefer side-effect-free functions in streams" - "Prefer Collection to Stream as a return type" - "Use caution when making streams parallel"
chapter_8: title: "Methods" items: - "Check parameters for validity" - "Make defensive copies when needed" - "Design method signatures carefully" - "Use overloading judiciously" - "Use varargs judiciously" - "Return empty collections or arrays, not nulls" - "Return optionals judiciously" - "Write doc comments for all exposed API elements"
chapter_9: title: "General Programming" items: - "Minimize the scope of local variables" - "Prefer for-each loops to traditional for loops" - "Know and use the libraries" - "Avoid float and double if exact answers are required" - "Prefer primitive types to boxed primitives" - "Avoid strings where other types are more appropriate" - "Beware the performance of string concatenation" - "Refer to objects by their interfaces" - "Prefer interfaces to reflection" - "Use native methods judiciously" - "Optimize judiciously" - "Adhere to generally accepted naming conventions"
chapter_10: title: "Exceptions" items: - "Use exceptions only for exceptional conditions" - "Use checked exceptions for recoverable conditions and runtime exceptions for programming errors" - "Avoid unnecessary use of checked exceptions" - "Favor the use of standard exceptions" - "Throw exceptions appropriate to the abstraction" - "Document all exceptions thrown by each method" - "Include failure-capture information in detail messages" - "Strive for failure atomicity" - "Don't ignore exceptions"
chapter_11: title: "Concurrency" items: - "Synchronize access to shared mutable data" - "Avoid excessive synchronization" - "Prefer executors, tasks, and streams to threads" - "Prefer concurrency utilities to wait and notify" - "Document thread safety" - "Use lazy initialization judiciously" - "Don't depend on the thread scheduler"
chapter_12: title: "Serialization" items: - "Prefer alternatives to Java serialization" - "Implement Serializable with great caution" - "Consider using a custom serialized form" - "Write readObject methods defensively" - "For instance control, prefer enum types to readResolve" - "Consider serialization proxies instead of serialized instances"
concurrency_guidelines:
functional_programming_guidelines:
data_oriented_programming_pillars: