Effective Java 2/e by Joshua Bloch

• Creating and Destroying Objects
  • Aug 31, 2015 Item 01 - Consider static factory methods instead of constructors
  • Aug 30, 2015 Item 02 - Consider a builder when faced with many constructor parameters
  • Aug 29, 2015 Item 03 - Enforce the singleton property with a private constructor or an enum type
  • Aug 28, 2015 Item 04 - Enforce noninstantiability with a private constructor
  • Aug 27, 2015 Item 05 - Avoid creating unnecessary objects
  • Aug 26, 2015 Item 06 - Eliminate obsolete object references
  • Aug 25, 2015 Item 07 - Avoid finalizers
• Methods Common to All Objects
  • Aug 24, 2015 Item 08 - Obey the general contract when overriding equals
  • Aug 23, 2015 Item 09 - Always override hashCode when you override equals
  • Aug 22, 2015 Item 10 - Always override toString
  • Aug 21, 2015 Item 11 - Override clone judiciously
  • Aug 20, 2015 Item 12 - Consider implementing Comparable
• Classes and Interfaces
  • Aug 19, 2015 Item 13 - Minimize the accessibility of classes and members
  • Aug 18, 2015 Item 14 - In public classes, use accessor methods, not public fields
  • Aug 17, 2015 Item 15 - Minimize mutability
  • Aug 16, 2015 Item 16 - Favor composition over inheritance
  • Aug 15, 2015 Item 17 - Design and document for inheritance or else prohibit it
  • Aug 14, 2015 Item 18 - Prefer interfaces to abstract classes
  • Aug 13, 2015 Item 19 - Use interfaces only to define types
  • Aug 12, 2015 Item 20 - Prefer class hierarchies to tagged classes
  • Aug 11, 2015 Item 21 - Use function objects to represent strategies
  • Aug 10, 2015 Item 22 - Favor static member classes over nonstatic
• Generics
  • Aug 9, 2015 Item 23 - Don’t use raw types in new code
  • Aug 8, 2015 Item 24 - Eliminate unchecked warnings
  • Aug 7, 2015 Item 25 - Prefer lists to arrays
  • Aug 6, 2015 Item 26 - Favor generic types
  • Aug 5, 2015 Item 27 - Favor generic methods
  • Aug 4, 2015 Item 28 - Use bounded wild cards to increase API flexibility
  • Aug 3, 2015 Item 29 - Consider typesafe heterogeneous containers
• Enums and Annotations
  • Aug 2, 2015 Item 30 - Use enums instead of int constants
  • Aug 1, 2015 Item 31 - Use instance fields instead of ordinals
  • Jul 31, 2015 Item 32 - Use EnumSet instead of bit fields
  • Jul 30, 2015 Item 33 - Use Enum Map instead of ordinal indexing
  • Jul 29, 2015 Item 34 - Emulate extensible enums with interfaces
  • Jul 28, 2015 Item 35 - Prefer annotations to naming patterns
  • Jul 27, 2015 Item 36 - Consistently use the Override annotation
  • Jul 26, 2015 Item 37 - Use marker interfaces to define types
• Methods
  • Jul 25, 2015 Item 38 - Check parameters for validity
  • Jul 24, 2015 Item 39 - Make defensive copies when needed
  • Jul 23, 2015 Item 40 - Design method signatures carefully
  • Jul 22, 2015 Item 41 - Use overloading judiciously
  • Jul 21, 2015 Item 42 - Use varargs judiciously
  • Jul 20, 2015 Item 43 - Return empty arrays or collections, not nulls
  • Jul 19, 2015 Item 44 - Write doc comments for all exposed API elements
• General Programming
  • Jul 18, 2015 Item 45 - Minimize the scope of local variables
  • Jul 17, 2015 Item 46 - Prefer for-each loops to traditional for loops
  • Jul 16, 2015 Item 47 - Know and use the libraries
  • Jul 15, 2015 Item 48 - Avoid float and double if exact answers are required
  • Jul 14, 2015 Item 49 - Prefer primitive types to boxed primitives
  • Jul 13, 2015 Item 50 - Avoid strings where other types are more appropriate
  • Jul 12, 2015 Item 51 - Beware the performance of string concatenation
  • Jul 11, 2015 Item 52 - Refer to objects by their interfaces
  • Jul 10, 2015 Item 53 - Prefer interfaces to reflection
  • Jul 9, 2015 Item 54 - Use native methods judiciously
  • Jul 8, 2015 Item 55 - Optimize judiciously
  • Jul 7, 2015 Item 56 - Adhere to generally accepted naming conventions
• Exceptions
  • Jul 6, 2015 Item 57 - Use exceptions only for exceptional conditions
  • Jul 5, 2015 Item 58 - Use checked exceptions for recoverable conditions and runtime exceptions for programming errors
  • Jul 4, 2015 Item 59 - Avoid unnecessary use of checked exceptions
  • Jul 3, 2015 Item 60 - Favor the use of standard exceptions

Summarized by The Finest Artist