由于我们在这一示例中没有实现任何元数据服务，所以该方法返回一个长度为0的数组(返回null将表明有错误)。
Since we implement no metadata service in this example, the method returns an array with length 0 (returning null would have indicated an error).
由于它返回一个配置对象数组，因此您总是要检查返回的数组的长度。
Since it returns an array of config objects, you should always check the length of the returned array.
它生成一个该长度的ASN . 1表示，并返回一个符合ASN . 1长度格式的字节数组。
It authors the ASN.1 representation of the length and returns a byte array that conforms to ASN.1's length format.
为了允许除形参数组中定义的实参之外额外的实参(要么是必需的值，要么是可变长度的值)，我将令这个调用返回被处理实参的实际数量。
To allow for added arguments beyond those defined in the parameter array (either required values or variable length sets of values), I'll have the call return the actual number of arguments processed.
结果，返回的数组的长度不再与原始数组的长度一致。
As a result, the length of the returned array is no longer the same as the length of the original array.
此配额控制由各种API调用创建和返回的最大数组长度。
This quota governs the maximum array length that is created and returned by various API calls.
如果该对象表示的类或接口未实现接口，方法返回的数组长度为0。
If this object represents a class or interface that implements no interfaces, the method returns an array of length 0.
在数组开始位置添加一个或多个元素并返回新的数组长度。
Unshift adds one or more elements to the beginning of an array and returns the new length of the array.
用new动态创建长度为0的数组时，new返回有效的非零指针。
When we use new to allocate an array of zero size, new returns a valid, nonzero pointer.
给出一个数组和一个数，移除数组中所有等于该数的值并返回新长度。
Given an array and a value, remove all instances of that value in place and return the new length.
给出一个数组和一个数，移除数组中所有等于该数的值并返回新长度。
Given an array and a value, remove all instances of that value in place and return the new length.
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