Count of words ending at the given suffix in Java

Given a string str consisting of a sentence, the task is to find the count of words in the given sentence that end with the given suffix suff.

Examples:

Input: str = “GeeksForGeeks is a computer science portal for geeks”, suff = “ks”
Output: 2
“GeeksForGeeks” and “geeks” are the only words ending with “ks”.

Input: str = “This is a sample string”, suff = “is”
Output: 2

Approach:

  • Extract all the words from the given sentence using the split() method.
  • Now for every word check whether the current words ends with the given suffix using endsWith() method.

Below is the implementation of the above approach:

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// Java implementation of the approach
class GFG {
  
    // Function to return the count of words
    // in the given sentence that
    // end with the given suffix
    static int endingWith(String str, String suff)
    {
  
        // To store the count
        int cnt = 0;
  
        // Extract words from the sentence
        String words[] = str.split(" ");
  
        // For every word
        for (int i = 0; i < words.length; i++) {
  
            // If it ends with the given suffix
            if (words[i].endsWith(suff))
                cnt++;
        }
  
        return cnt;
    }
  
    // Driver code
    public static void main(String args[])
    {
        String str = "GeeksForGeeks is a computer"
                     + " science portal for geeks";
        String suff = "ks";
  
        System.out.print(endingWith(str, suff));
    }
}

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Output:

2


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