DataInputStream 和 DataOutputStream

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

public class DataInputStream_Test {

	public static void main(String[] args) {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		DataOutputStream dos = new DataOutputStream(new BufferedOutputStream(baos));
		try {
			dos.writeUTF("编码辛酸泪");
			dos.writeInt(18);
			dos.writeBoolean(false);
			dos.writeChar('a');
			dos.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		byte datas[] = baos.toByteArray();
		DataInputStream dis = new DataInputStream(new BufferedInputStream(new ByteArrayInputStream(datas)));
		String s;
		try {
			s = dis.readUTF();
			int age = dis.readInt();
			boolean flag = dis.readBoolean();
			char c = dis.readChar();
			System.out.println(s);
			System.out.println(age);
			System.out.println(flag);
			System.out.println(c);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}