Web Reference: Apr 9, 2025 · In Java, counting the occurrences of each character in a string is a fundamental operation that can be done in different ways. This process involves identifying the frequency of each character in the input string and displaying it in a readable format. Output: Length of the String: 23 Explanation In Java, the length() function is used to count the characters in a string. Here, when we use the length() function with the given string str, it will return the count as the output. How To Count Character Frequency in a String Use a HashMap to count how many times each character appears:
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