/*
 * 可以讀寫基本資料型別的資料
 * 資料輸入流：DataInputStream
 * 			DataInputStream(InputStream in)
 * 資料輸出流：DataOutputStream
 * 			DataOutputStream(OutputStream out) 
 */
public class DataStreamDemo {
	public static void main(String[] args) throws IOException {
		// 寫
		// write();

		// 讀
		read();
	}

	private static void read() throws IOException {
		// DataInputStream(InputStream in)
		// 建立資料輸入流物件
		DataInputStream dis = new DataInputStream(
				new FileInputStream("dos.txt"));

		// 讀資料
		byte b = dis.readByte();
		short s = dis.readShort();
		int i = dis.readInt();
		long l = dis.readLong();
		float f = dis.readFloat();
		double d = dis.readDouble();
		char c = dis.readChar();
		boolean bb = dis.readBoolean();

		// 釋放資源
		dis.close();

		System.out.println(b);
		System.out.println(s);
		System.out.println(i);
		System.out.println(l);
		System.out.println(f);
		System.out.println(d);
		System.out.println(c);
		System.out.println(bb);
	}

	private static void write() throws IOException {
		// DataOutputStream(OutputStream out)
		// 建立資料輸出流物件
		DataOutputStream dos = new DataOutputStream(new FileOutputStream(
				"dos.txt"));

		// 寫資料了
		dos.writeByte(10);
		dos.writeShort(100);
		dos.writeInt(1000);
		dos.writeLong(10000);
		dos.writeFloat(12.34F);
		dos.writeDouble(12.56);
		dos.writeChar('a');
		dos.writeBoolean(true);

		// 釋放資源
		dos.close();
	}
}