我想在黑莓中使用字符串的子序列法,这是 Java API 中给出的,但黑莓 API 中没有显示。 方法如下:
String.subSequence(int beginIndex, int endIndex)
我想使用这种方法,所以如果我无法访问 API, 怎么可能。 u 请在黑莓中以代码/ api 发布代码/ URL, 该代码/ URL 将履行与子序列方法相同的功能 。
我想在黑莓中使用字符串的子序列法,这是 Java API 中给出的,但黑莓 API 中没有显示。 方法如下:
String.subSequence(int beginIndex, int endIndex)
我想使用这种方法,所以如果我无法访问 API, 怎么可能。 u 请在黑莓中以代码/ api 发布代码/ URL, 该代码/ URL 将履行与子序列方法相同的功能 。
Java SE S subseconomics
在java. lang.lang. string中实施。 String仅仅因为字符串是为了执行 CharSsequence
接口。如果你读到
An invocation of this method of the form str.subSequence(begin, end) behaves in exactly the same way as the invocation str.substring(begin, end) This method is defined so that the String class can implement the CharSequence interface.
所以在黑莓中, 因为没有 < code> CharSquence 接口, 因为它是在 Java 1. 4 中引入的, 您可以使用 < code> substring 而不是相同的结果 。
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