private static void StringWriterAndReader() throws Exception {

		//字符串流（字符串的内存流）

		//字符串输入流

		StringWriter sWriter=new StringWriter();

		sWriter.write("文档在手，天下我有！");

		sWriter.write("吃得苦中苦，方为人上人！");

//		System.out.println(sWriter.toString());

		//字符串的输出流

		StringReader sReader=new StringReader(sWriter.toString());

		char[] buffer =new char[1024];

		int len=-1;

		while((len=sReader.read(buffer))!=-1){

			System.out.println(new String(buffer,0,len) );

		}

		sWriter.close();
                sReader.close();

	}

	private static void charArray() throws IOException {

		//字符数组流/内存流

		//字符数组输出流：程序----->内存

		CharArrayWriter writer =new CharArrayWriter();

		writer.write("欢迎学习Java！");

		char[] content=writer.toCharArray();

		//字节数组输入流：内存----->程序

		CharArrayReader reader=new CharArrayReader(content);

		int len=-1;

		char[] ch=new char[1024];

		while((len=reader.read(ch))!=-1){

			System.out.println(new String(ch,0,len));

		}

		writer.close();

		reader.close();

	}

	private static void byteArray() throws Exception {

		//字节数组流/内存流

		//字节数组输出流：程序----->内存

		ByteArrayOutputStream out=new ByteArrayOutputStream();

		out.write("大家好啊！".getBytes());

		byte[] bye=out.toByteArray();

		//字节数组输入流：内存----->程序

		ByteArrayInputStream in=new ByteArrayInputStream(bye);

		byte[] buffer=new byte[1024];

		int len=-1;

		while((len=in.read(buffer))!=-1){

			System.out.println(new String(buffer,0,len));

		}

		out.close();

		in.close();

	}

//创建顺序流对象

		SequenceInputStream in=	new SequenceInputStream(new FileInputStream("file/copy.txt"), new FileInputStream("file/copy12.txt"));

		byte[] buffer=new byte[1024];

		int len=-1;

		while((len=in.read(buffer))!=-1){

			System.out.println(new String(buffer,0,len));

		}

		in.close();