Effective Java

Item 44: Favor the use of standard functional interfaces 199
Item 45: Use streams judiciously 203
Item 46: Prefer side-effect-free functions in streams 210
Item 47: Prefer Collection to Stream as a return type 216
Item 48: Use caution when making streams parallel 222

Chapter 8: Methods 227
Item 49: Check parameters for validity 227
Item 50: Make defensive copies when needed 231
Item 51: Design method signatures carefully 236
Item 52: Use overloading judiciously 238
Item 53: Use varargs judiciously 245
Item 54: Return empty collections or arrays, not nulls 247
Item 55: Return optionals judiciously 249
Item 56: Write doc comments for all exposed API elements 254

Chapter 9: General Programming 261
Item 57: Minimize the scope of local variables 261
Item 58: Prefer for-each loops to traditional for loops 264
Item 59: Know and use the libraries 267
Item 60: Avoid float and double if exact answers are required 270
Item 61: Prefer primitive types to boxed primitives 273
Item 62: Avoid strings where other types are more appropriate 276
Item 63: Beware the performance of string concatenation 279
Item 64: Refer to objects by their interfaces 280
Item 65: Prefer interfaces to reflection 282
Item 66: Use native methods judiciously 285
Item 67: Optimize judiciously 286
Item 68: Adhere to generally accepted naming conventions 289

Chapter 10: Exceptions 293
Item 69: Use exceptions only for exceptional conditions 293
Item 70: Use checked exceptions for recoverable conditions and runtime exceptions for programming errors 296
Item 71: Avoid unnecessary use of checked exceptions 298
Item 72: Favor the use of standard exceptions 300
Item 73: Throw exceptions appropriate to the abstraction 302
Item 74: Document all exceptions thrown by each method 304
Item 75: Include failure-capture information in detail messages 306
Item 76: Strive for failure atomicity 308
Item 77: Don’t ignore exceptions 310

Chapter 11: Concurrency 311
Item 78: Synchronize access to shared mutable data 311
Item 79: Avoid excessive synchronization 317
Item 80: Prefer executors, tasks, and streams to threads 323
Item 81: Prefer concurrency utilities to wait and notify 325
Item 82: Document thread safety 330
Item 83: Use lazy initialization judiciously 333
Item 84: Don’t depend on the thread scheduler 336

Chapter 12: Serialization 339
Item 85: Prefer alternatives to Java serialization 339
Item 86: Implement Serializable with great caution 343
Item 87: Consider using a custom serialized form 346
Item 88: Write readObject methods defensively 353
Item 89: For instance control, prefer enum types to readResolve 359
Item 90: Consider serialization proxies instead of serialized instances 363

Items Corresponding to Second Edition 367
References 371
Index 377