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$6_CountingLetters.java
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50 lines (43 loc) · 1.43 KB
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package src;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class $6_CountingLetters {
public static void main(String[] args) {
String filePath = "src/$6_CountingLetters.txt";
Map<Character, Integer> charCountMap = new HashMap<>();
char mostFrequentCharacter = ' ';
int maxCharCount = 0;
try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
String line;
while ((line = reader.readLine()) != null) {
for (char character : line.toCharArray()) {
if (Character.isLetter(character)) {
character = Character.toLowerCase(character);
if (charCountMap.containsKey(character)) {
int count = charCountMap.get(character);
charCountMap.put(character, count + 1);
} else {
charCountMap.put(character, 1);
}
if (charCountMap.get(character) > maxCharCount) {
mostFrequentCharacter = character;
maxCharCount = charCountMap.get(character);
}
}
}
}
} catch (IOException e) {
System.out.println("Error reading file: " + e.getMessage());
}
System.out.println("Letter count overview:");
for (char character : charCountMap.keySet()) {
int count = charCountMap.get(character);
System.out.println("'" + character + "': " + count);
}
// Print out most used letter
System.out.println("Most used letter: '" + mostFrequentCharacter + "' (" + maxCharCount + " times)");
}
}