import java.io.BufferedOutputStream;
import java.io.BufferedInputStream;
import java.io.DataOutputStream;
import java.io.DataInputStream;
import java.io.FileOutputStream;
import java.io.FileInputStream;

class Program01 {
	public static void main(String[] argv) throws Exception {
		FileOutputStream fileOut = new FileOutputStream("data.txt");
		BufferedOutputStream bufferOut = new BufferedOutputStream(fileOut);
		DataOutputStream dataOut = new DataOutputStream(bufferOut);
		dataOut.writeUTF("árvíztűrő");
		dataOut.writeLong(34L);
		dataOut.writeInt(44);
		dataOut.writeDouble(32.343);
		dataOut.writeBoolean(true);		
		dataOut.close();
		bufferOut.close();
		fileOut.close();
		
		FileInputStream fileIn = new FileInputStream("data.txt");
		BufferedInputStream bufferIn = new BufferedInputStream(fileIn);
		DataInputStream dataIn = new DataInputStream(bufferIn);
		System.out.println(dataIn.readUTF());
		System.out.println(dataIn.readLong());
		System.out.println(dataIn.readInt());
		System.out.println(dataIn.readDouble());
		System.out.println(dataIn.readBoolean());
		dataIn.close();
		bufferIn.close();
		fileIn.close();
	}
}