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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
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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
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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
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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
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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