1078. Bigram 分词

1078. Bigram 分词

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java代码：

class Solution {
    public String[] findOcurrences(String text, String first, String second) {
        String[] arr = text.split(" ");
        
        List<String> list = new ArrayList<String>();
        for (int i = 0; i < arr.length - 2; ++i) {
            if (arr[i].equals(first) && arr[i + 1].equals(second)) {
                list.add(arr[i + 2]);
            }  
        }
        String ans[] = list.toArray(new String[list.size()]);
        
        return ans;
    }
}
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