随笔分类 -  JDK1.5新特性

摘要：概述 Annotations (Metadata) - This language feature lets you avoid writing boilerplate code under many circumstances by enabling tools to generate it from annotations in the source code. This leads to ... 阅读全文

摘要：概述 Generics - This long-awaited enhancement to the type system allows a type or method to operate on objects of various types while providing compile-time type safety. It adds compile-time type safet... 阅读全文

摘要：援引 Typesafe Enums - This flexible object-oriented enumerated type facility allows you to create enumerated types with arbitrary methods and fields. It provides all the benefits of the Typesafe Enum p... 阅读全文

摘要：援引 Autoboxing/Unboxing - This facility eliminates the drudgery of manual conversion between primitive types (such as int) and wrapper types (such as Integer). 用法 基本数据类型的自动拆箱和自动装箱 autoboxing & unbo... 阅读全文

摘要：援引 Varargs - This facility eliminates the need for manually boxing up argument lists into an array when invoking methods that accept variable-length argument lists. 用法 个数可变的参数 public void foo(int ... 阅读全文

摘要：援引 Static Import - This facility lets you avoid qualifying static members with class names without the shortcomings of the "Constant Interface antipattern. 用法 import static java.util.Arrays.*; 导入的... 阅读全文

摘要：援引 Enhanced for Loop - This new language construct eliminates the drudgery and error-proneness of iterators and index variables when iterating over collections and arrays. 用法 增强for循环代替了一些原来的for... 阅读全文