为NULL in English translation

• is null
• be null

Examples of using 为null in Chinese and their translations into English

目的在大多数面向对象的语言中，例如Java或C，引用可能为null。
In most object-oriented languages, such as Java or C, references may be null.

NullPointerException-如果指定的元素为null且此collection不支持null元素（可选）。
NullPointerException- if the specified element is null and this collection does not support null elements.

但是如果当前元素为最后一个元素，或者当前元素为null，则返回null。
If however the current element is the last element, or the current element is null, then null is returned.

如果两个都没有，它将会以nil的形式呈现在JSON中，nil在JSON中为null。
If neither is present, it will instead output the JSON for nil, which is null in JSON.

IE9JavaScript错误：SCRIPT5007：无法获取属性“ui”的值：对象为null或未定义.
SCRIPT5007: Unable to get value of the property'GetShoppingCartCount': object is null or undefined.

Changed事件由OnChanged虚方法引发，后者先检查该事件是否为null（表明没有处理程序）。
The Changed event is raised by the OnChanged virtual method, which first checks whether the event is null(meaning that no handlers are present).

SCRIPT5007:无法获取属性“rowspan”的值:对象为null或未定义.
SCRIPT5007: Unable to get value of the property‘SPGetCurrentUser': object is null or undefined.

其它情况为null,包括回传的XML文档不良或未完成响应回传。
Other cases are null, including the return of an XML document that is bad or does not complete the response.

其次，它从不为空或为Null，即它始终包含一个值。
It is never empty or null- it always contains a value.

但是&&表达式本身的结果为null（c中的值），不是用于测试的强制转换来的false。
But the&& expression itself results in null(the value in c), not in the coerced false used in the test.

一旦变量s被赋值为null后，Stack和相应的10个Node实例就变成符合碎片收集的条件了。
Once the variable s is assigned null, the Stack and the associated 10 Node instances become eligible for garbage collection.

有两个特殊值，写为null和undefined，用于表示没有有意义的值。
There are two special values, written null and undefined, that are used to denote the absence of a meaningful value.

如果选择器为null或省略，当它到达选定的元素，事件总是触发。
If the selector is null or omitted, the event is always triggered when it reaches the selected element.

不幸的是，如果一种语言允许任何东西为null，好吧，那么任何东西都可以是null。
Unfortunately, if the language permits anything to be null, well, anything can be null..

如果对象的引用被置为null，垃圾收集器是否会立即释放对象占用的内存？?
If an object reference is set to null, will the Garbage Collector immediately free the memory held by that object?

这就是为什么JavaScript环境从来没有设置一个值为null；它必须以编程方式完成。
This use case is why the JavaScript environment never sets a value to null, and it must always be done programmatically.

一旦标记停止移动，动画即停止，并且animation将还原为null。
Animation will cease once the marker comes to rest and animation will revert to null.

在TypeScript2.0中，开发人员可以可以启用一种新的行为，以默认防止变量赋值为null。
With TypeScript 2.0, programmers can opt into a new behavior that by default prevents values from being null.

如果在一个array中遇到这样的值，它会被替换为null（这样数组的位置信息就不会改变）。
If such a value is found in an array, that value is replaced by null(so that the array position information isn't altered).

每个Vector元素始终具有一个值，该值要么为一个基本类型的实例，要么为null。
Every Vector element always has a value that is either an instance of the base type or null.