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我想要根据前缀子字符串将此数组值添加到prefixCheck中,但是当我的前缀长于条目本身时,我总是收到错误。我如何使用这个检查?将某些子字符串前缀添加到数组列表
/**
* This method returns a list of all words from the dictionary that start with the given prefix.
*
*/
public ArrayList<String> wordsStartingWith(String prefix)
{
ArrayList<String> prefixCheck = new ArrayList<String>();
int length = prefix.length();
for(int index = 0; index < words.size(); index++)
{
if(length > words.get(index).length())
{
if(words.get(index).substring(0, length).equalsIgnoreCase(prefix))
{
prefixCheck.add(words.get(index));
}
}
}
return prefixCheck;
}
谢谢!
您的病情逆转。应该是'length