is not null的意思

is not null中文翻譯：

不為空

相似詞語短語

dentryDOS is null───dentryDOS為零

imei is null───imei為空

user is null───用戶為空

not is───不是

is not───不是（歌曲名）

null island───空島

assert null───斷言為空

null definition───空定義

connection holder is null───連接保持器為空

雙語使用場景

If it is not null, the regular expression Pattern.matches " [0-9] + \ \. + [0-9] +".───如果不是null，那么規范的表達式Pattern . matches “ [0 - 9] + \ \ .”。

The first one asserts that the calculator instance object is not null, i.e. it exists.───第一個宣稱這個計數器實例對象不是空，就像它實際存在一樣。

If the value is not null, it is converted into an int value.───如果值尚未為null，那么它會被轉化為一個int值。

This routine initially checks if the passed inquiry context is not NULL and if it a context for group member.───它首先檢查傳遞的查詢上下文是否非NULL，以及是否是組成員的上下文。

The Boolean returned represents the value true if the string argument is not null and is equal, ignoring case, to the string "true" .───如果該字符串參數不為空（忽略大小寫）且等于字符串true，返回表示true的Boolean對象。

In SRE, you can only use IS NULL and IS NOT NULL conditions in the WHERE clause.───但在SRE中，WHERE子句只能使用ISNULL和ISNOTNULL條件。

Operator returns the left-hand operand if it is not null, or else it returns the right operand.───運算符的左操作數非空，該運算符將返回左操作數，否則返回右操作數。

Argument is not null and that it references an instance of the same type as this object.───參數是否非空以及它是否與此對象引用了相同類型的實例。

If the specified array is not null-terminated, the behavior of this constructor is system dependent.───如果指定的數組并非空終止，此構造函數的行為將取決于系統。

英語使用場景

If the customer number is not null, that is, the customer is already known, the left hand path is followed (2), and the customer data is retrieved from the customer registration service (3).

If you assume that an argument is not NULL, for example, use an assertion statement to check for that assumption.