DataInputStream和DataOutputStream操作基本数据类型的流

package datainputstream;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/*
 * 可以读写基本数据类型的数据
 * 数据输入流：DataInputStream
 * 			DataInputStream(InputStream in)
 * 数据输出流：DataOutputStream
 * 			DataOutputStream(OutputStream out) 
 */
public class DataInputStreamDemo {
	public static void main(String[] args) throws IOException {
		// 写
//		 write();

		// 读
		read();
	}

	private static void read() throws IOException {
		// DataInputStream(InputStream in)
		// 创建数据输入流对象
		DataInputStream dis = new DataInputStream(
				new FileInputStream("a.txt"));

		// 读数据
		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();

		// 释放资源
		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)
		// 创建数据输出流对象
		DataOutputStream dos = new DataOutputStream(new FileOutputStream(
				"a.txt"));

		// 写数据了
		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);

		// 释放资源
		dos.close();
	}
}