Practice Exercises Java - Learn to program performing exercises with Java

Practice Exercises Java

Learn to program performing exercises with Java

12 Lessons Java with the Solutions - 228 Exercises Java with the solutions
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Convert any file to uppercase - Practice Exercises Java

Lesson 8:

File management

Exercise 8.17:

Convert any file to uppercase


Write a program to read a file (of any kind) and dump its content to another file, changing the lowercase letters to uppercase.

You must deliver only the ".cs" file, with you name in a comment.

Source Code:

public class Main
    public static void main(String[] args)
		BinaryReader inFile = new BinaryReader(File.Open("example.exe", FileMode.Open));

		BinaryWriter outFile = new BinaryWriter(File.Open("example.exe.upper", FileMode.Create));

		long filesize = inFile.BaseStream.getLength();

		for (long i = 0; i < filesize; i++)
			byte b = inFile.ReadByte();

			if ((b >= (byte)'a') && (b <= (byte)'z'))
				b -= 32;
Exercisey 8.17

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