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Problem :

How to count the number of occurrences of a character in a string in java
by (6.9k points)  

1 Answer

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Solution :

Bellow is definitely the fastest way. Regexes are very slow here, and also harder to understand.
public int countChar(String str, char c)
    int count = 0;

    for(int i=0; i < str.length(); i++)
    {    if(str.charAt(i) == c)

    return count;

by (36.1k points)  
edited by