Read file in byte array using FileInputStream

   

import java.io.File;
import java.io.FileInputStream;

public class Main {
  public static void main(String[] args) throws Exception {
    File file = new File("C:/String.txt");
    FileInputStream fin = new FileInputStream(file);

    byte fileContent[] = new byte[(int) file.length()];
    fin.read(fileContent);
    System.out.println(new String(fileContent));
  }
}

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Read file in byte array using FileInputStream : FileInputStream « File Input Output « Java

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