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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List of images as HTML - Practice Exercises Java


Lesson 12:

Additional libraries


Exercise 12.6:

List of images as HTML


Objetive:

Create a program to create an HTML file containing the list of images (PNG and JPG) in the current directory.

For example, in the current directory there are images called.

1.png
2.jpg

The result should be:


1.png

2.jpg


Source Code:


import java.util.*;
public class Main
{
	static void main(String[] args)
	{
		CreateHtml(GetImages());
	}

	private static void CreateHtml(ArrayList listImages)
	{
		try
		{
			java.io.FileWriter writer = new java.io.OutputStreamWriter(File.Create("images.html"));

			writer.write("" + System.lineSeparator());
			writer.write("" + System.lineSeparator());

			for (String image : listImages)
			{
				writer.write("" + image + "" + System.lineSeparator());

			}

			writer.close();
		}
		catch (java.lang.Exception e)
		{
			System.out.println("Error writing html.");
		}
	}

	private static ArrayList GetImages()
	{
		ArrayList ListImages = new List();

		String[] files = (new java.io.File(".")).list(java.io.File::isFile);

		for (String file : files)
		{
			String extension = Path.GetExtension(file);

			switch (extension)
			{
				case ".png":
				case ".jpg":
				case ".jpge":
					ListImages.add(file.substring(2));
					break;
			}
		}

		return ListImages;
	}
}
Exercisey 12.6




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