计算机专业英语(软件2).ppt

计算机专业英语,张起荣,Unit One Hardware,Keywords： type-safe 类型安全 standardize 标准化 implementation 实现 self-contained 自包含 self-describing 自描述 package 包 property 属性,Passage Two C# Language,Unit One Hardware,Word-building ： method 方法 event 事件 automatically 自动地 transport 移植 namespace 命名空间 fields 字段 value type 值类型 reference type 引用类型,Passage Two C# Language,Unit One Hardware,Word-building ： variable 变量 class 类 struct type 结构类型 delegate type 委托类型 interface 接口 generics 泛型 enum type 枚举类型 array 数组,Passage Two C# Language,Unit One Hardware,Word-building ： multi-dimensional array多维数组 operand 操作数 operator 操作符 statement 语句 object 对象,Passage Two C# Language,Unit One Hardware,Word-building ： 名词+al后缀=形容词 dimension维度（名词） dimensional 空间的（形容词）,Passage Two C# Language,Unit One Hardware,Word-building ： multi-多的(前缀) multi-dimensional多维的 multi-user 多用户,Passage Two C# Language,Unit One Hardware,Sentences ： Key to such components is that they present a programming model with properties, methods, and events; they have attributes that provide declarative information about the component; and they incorporate their own documentation.,Passage Two C# Language,Unit One Hardware,Sentences ： Aspects of C#s design that were directly influenced by versioning considerations include the separate virtual and override modifiers, the rules for method overload resolution, and support for explicit interface member declarations.,Passage Two C# Language,Unit One Hardware,Sentences ： Delegates make it possible to treat methods as entities that can be assigned to variables and passed as parameters.,Passage Two C# Language,Unit One Hardware,Sentences ： Because of the unification, general- purpose libraries that use type can be used with both reference types and value types.,Passage Two C# Language,Unit One Hardware,Sentences ： Expressions that can be used as statements include method invocations, object allocations using the new operator, assignments using = and the compound assignment operators, and increment and decrement operations using the + and - operators.,Passage Two C# Language,Unit One Hardware,Sentences ： The try.catch statement is used to catch exceptions that occur during execution of a block, and the try. finally statement is used to specify finalization code that is always executed, whether an exception occurred or not.,Passage Two C# Language,Unit One Hardware,Sentences ： A class is a data structure that combines state (fields) and actions (methods and other function members) in a single unit.,Passage Two C# Language,Unit One Hardware,Sentences ： A class declaration starts with a header that specifies the attributes and modif