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countPrefixes.java

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/* You are given a string array words and a string s, where words[i] and s comprise only of lowercase English letters.

Return the number of strings in words that are a prefix of s.

A prefix of a string is a substring that occurs at the beginning of the string. A substring is a contiguous sequence of characters within a string. */

class Solution {

public int countPrefixes(String[] words, String s) {

int count = 0;

for (String word : words) {

if (s.startsWith(word)) {

count++;

}

}

return count;

}

}