Practice Exercises Java - Learn to program performing exercises with Java

Practice Exercises Java

Learn to program performing exercises with Java

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Extract text from a binary file - Practice Exercises Java

Lesson 8:

File management

Exercise 8.34:

Extract text from a binary file


Create a program to extract (only) the alphabetic characters contained in a binary file, and dump them to a different file. The extracted characters must be those whose ASCII code is 32 to 127, or 10, or 13.

Source Code:

import java.util.*;
public class Main
	public static void main(String[] args)
	{ file;
		String name;

		System.out.println("Enter the file name: ");
		name = new Scanner(;

		if (!(new
			System.out.printf("File %1$s not found!" + "\r\n", name);
				file = File.OpenRead(name);
				byte[] bytesFile = new byte[file.getLength()];, 0, (int)file.getLength());
				file.close(); newFile = new + "01.txt");
				for (int i = 0; i < bytesFile.length; i++)
					if (((int)bytesFile[i] >= 32) && ((int)bytesFile[i] <= 127) || ((int)bytesFile[i] == 10) || ((int)bytesFile[i] == 13))

			catch (RuntimeException e)
				System.out.println("Error, " + e.getMessage());
Exercisey 8.34

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