27 lines
668 B
Java
27 lines
668 B
Java
import java.io.BufferedReader;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.Arrays;
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public class LetterFreq {
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public static int[] countLetters(String filename) throws IOException{
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int[] freqs = new int[26];
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BufferedReader in = new BufferedReader(new FileReader(filename));
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String line;
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while((line = in.readLine()) != null){
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line = line.toUpperCase();
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for(char ch:line.toCharArray()){
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if(Character.isLetter(ch)){
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freqs[ch - 'A']++;
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}
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}
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}
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in.close();
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return freqs;
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}
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public static void main(String[] args) throws IOException{
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System.out.println(Arrays.toString(countLetters("filename.txt")));
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}
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}
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