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32 lines (26 loc) · 989 Bytes
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Copy pathCharacterFrequency.java
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32 lines (26 loc) · 989 Bytes
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import java.util.HashMap;
public class CharacterFrequency {
public static void main(String[] args) {
String input = "believe in yourself";
// Create a HashMap to store character frequencies
HashMap<Character, Integer> frequencyMap = new HashMap<>();
// Loop through each character in the input string
for (char c : input.toCharArray()) {
// Ignore non-alphanumeric characters
if (!Character.isLetterOrDigit(c)) {
continue;
}
// Update the frequency map
if (frequencyMap.containsKey(c)) {
frequencyMap.put(c, frequencyMap.get(c) + 1);
} else {
frequencyMap.put(c, 1);
}
}
// Print the character frequencies
System.out.println("Character Frequencies:");
for (char c : frequencyMap.keySet()) {
System.out.println(c + " = " + frequencyMap.get(c));
}
}
}