保留字 (比如JavaScript的关键词)无法用作变量名称.还可以使用DATABASE保留字 来指定外部数据库。 You can also use the DATABASE reserved word to specify the external database. Keywords and reserved words cannot be used as identifiers. Java reserved word . Python类以保留字 class开始,后面跟着类名。 A Python class begins with the reserved word class, followed by the class name.
Java reserved words . Not all languages have the same numbers of reserved words . Goto is a reserved word in Java. Such identifiers, together with keywords are known as Reserved Words . Syntax error, because'for' is a reserved word . The following list shows the reserved words in C. Goto is a reserved word in Java. ECMAScript3还将Java的所有关键字都作为自己的保留字 。 In ECMAScript 3, all Java keywords were reserved . 这些保留字 不能用作常量或变量或任何其他标识符名称。 These reserved words can't be used as a constant or variable or any other identifier names. Lua是一个大小写敏感的语言:and是一个保留字 ,但是And和AND则是两个不同的合法的名字。 Lua is a case-sensitive language: and is a reserved word , but And and AND are two different, valid identifiers. 它也可在语法规则中包含保留字 ,例如"let"或"in"。 This can also be used to include reserved words in syntax rules, such as"let" or"in". 这是一个Python保留字 ,仅仅表示“向前走,不要往这看”。 This is a Python reserved word that just means“move along, nothing to see here”. 大多数编程语言都有保留字 或关键字,这些字在该语言中有特殊的意义,Python也不例外。 Most programming languages have reserved words , or keywords, that have special meaning in that language, and Python is no exception. Julia提供了一个保留字 do,用于更清楚地重写此代码:. Julia provides a reserved word do for rewriting this code more clearly:. 保留字 即关键字,我们不能把它们用作任何标识符名称。Reserved words are keywords, and we cannot use them as any identifier name.Julia提供了保留字 do来重写这种代码,使之更清晰:. Julia provides a reserved word do for rewriting this code more clearly:. 紧邻的标志符、保留字 、数字和标签,它们之间必须有一个或多个分隔符。 Adjacent identifiers, reserved words , numerals, and labels must have one or more separators between them. Lua是一个大小写敏感的语言:and是一个保留字 ,但是And和AND则是两个不同的合法的名字。 Jx9 is a case-sensitive language: if is a reserved word , but IF and If are two different, valid names. The reserved words are, in a sense, words that are reserved for future use as keywords.Lua对大小写敏感:and是一个保留字 ,但是And和AND是两个不一样的、但都合法的标识符。 Lua is a case-sensitive language: and is a reserved word , but And and AND are two different, valid identifiers. 关键字是C中的特定保留字 ,每个字都具有与之关联的特定特征。 Keywords are specific reserved words in C each of which has a specific feature associated with it. 保留字 或者称关楗字,对编译器而言都有特殊含义,在程序中不能用于其他目的。Reserved words , or keywords, have a specific meaning to the compiler and cannot be used for other purposes in the program. 例如,"name"是保留字 ,因而不能用于数据库中的列名称。 For example,“date” is a reserved word and cannot be used for column names in a database.
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结果: 28 ,
时间: 0.0164
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