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Implement readFromFile method #1396

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Implement readFromFile method #1396

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25 changes: 23 additions & 2 deletions src/main/java/core/basesyntax/FileWork.java
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Original file line number Diff line number Diff line change
@@ -1,8 +1,29 @@
package core.basesyntax;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Arrays;

public class FileWork {
public String[] readFromFile(String fileName) {
//write your code here
return null;
File file = new File(fileName);
StringBuilder sb = new StringBuilder();
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
int value;
do {
value = br.read();
sb.append((char) value);
} while (value != -1);
} catch (IOException e) {
throw new RuntimeException(e);
}
String[] wordsArr = sb.toString().split("\\W+");
return Arrays.stream(wordsArr)
.map(String::toLowerCase)
.filter(w -> w.startsWith("w"))
.sorted()
.toArray(String[]::new);
}
}
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