JAVA_IO之数据流，结合try-with-resource

package com.breeziness123.io;

import java.io.*;


/**
 * 数据流，属于处理流
 * 
 * 数据源：基本数据类型与字符串类型
 * 流：DataOutputStream   DataInputStream
 * 
 * @author breeziness
 *
 */
public class IODemo06 {
	public static void main(String[] args) {
		dataStream("data.txt", "data.txt");
	}

	public static void dataStream(String source, String dest) {

		// try-with-resource 方式来释放流，流的定义必须放到括号里
		try (DataOutputStream dos = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(dest)));
				DataInputStream dis = new DataInputStream(new BufferedInputStream(new FileInputStream(source)))) {

			dos.writeInt(8);
			dos.writeChar('a');
			dos.writeUTF("这是中文");// 输出UTF-8编码的字符
			dos.writeBoolean(true);
			dos.writeDouble(1.0028);
			dos.flush();

			int res1 = dis.readInt();
			char res2 = dis.readChar();
			String res3 = dis.readUTF();
			boolean res4 = dis.readBoolean();
			double res5 = dis.readDouble();
			System.out.println(res1);
			System.out.println(res2);
			System.out.println(res3);
			System.out.println(res4);
			System.out.println(res5);
		} catch (IOException e) {
			// TODO: handle exception
			e.printStackTrace();
		}

	}

}