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

public class Program01 {
	public static void writeFile() {
		FileWriter fw = null;
		try {
			fw = tryFajlbaIr();
		} catch(IOException ex) {
			System.err.println("Hiba a fájlbaírás során!");
		} finally {
			try {
				fw.close();
			} catch(IOException ex) {
				System.err.println("Hiba a fájl bezárása során!");
			}
		}
	}
	public static FileWriter tryWriteFile() throws IOException {		
		FileWriter fw = new FileWriter("adat.txt", true);
		fw.write("alma");
		return fw;
	}
	public static void main (String args[]) {
		writeFile();
	}
}