import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class HelloWorld {
	public static void main(String[] args) {
		try {
			System.out.println("Hello World!");
			File f = new File("c:/tests_sources/X.java");
			if (f.exists()) {
				FileWriter writer = new FileWriter(f, true);
				writer.write(System.getProperty("line.separator"));
				writer.flush();
				writer.close();
			}
		} catch(IOException e) {
			e.printStackTrace();
		} finally {
			System.out.println("DONE");
		}
	}
}