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

class Program01 {
    public static void main(String[] args) throws IOException {
        CopyFile.copyFile("eredeti.txt", "masolat2.txt");
    }
}

class CopyFile {
    public static void copyFile(String srcFile, String desFile) {

        java.io.File inFile = new java.io.File(srcFile);
        java.io.File outFile = new java.io.File(desFile);

        FileReader in = null;
        FileWriter out = null;
        try {
            in = new FileReader(inFile);
        }catch(java.io.FileNotFoundException e){
            System.err.println("A fájl nem található!");
            System.exit(0);
        }
        try {
            out = new FileWriter(outFile);
            int c;
            while ((c = in.read()) != -1)
                out.write(c);
            System.out.println("Másolás kész.");
        } catch(java.io.IOException e) {
            System.err.println("Ki- beviteli hiba!");
        } finally {
            try {
            in.close();
            out.close();
            }catch(java.io.IOException e){}
        }
    }
}