Java：IO流其他类(字节数组流、字符数组流、数据流、打印流、Properities、对象流、管道流、随机访问、序列流、字符串读写流)

import java.io.*;
class ByteArrayStreamDemo
{
    public static void main(String[] args)
    {
        //数据源
        ByteArrayInputStream bis = new ByteArrayInputStream("ABCDEF".getBytes());//getBytes()是将一个字符串转化为一个字节数组
        
        //数据目的
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        int by = 0;
        while((by = bis.read())!=-1)
        {
            bos.write(by);
        }
        
        System.out.println(bos.size());
        System.out.println(bos.toString());
        
        //bos.writeTo(new FileOutputStream("ByteArray.txt"));//只有此处需要对异常进行处理。
    }
}

import java.io.*;
class CharArrayStreamDemo
{
    public static void main(String[] args)throws IOException
    {
        //数据源
        CharArrayReader car = new CharArrayReader("世界第一等".toCharArray());//toCharArray()是将一个字符串转化为一个字符数组
        
        //数据目的
        CharArrayWriter caw = new CharArrayWriter();
        int by = 0;
        while((by = car.read())!=-1)
        {
            caw.write(by);
        }
        
        System.out.println(caw.size());
        System.out.println(caw.toString());
        
        //caw.writeTo(new FileOutputStream("CharArray.txt"));//需要对异常进行处理。
    }
}

import java.io.*;
class DataStreamDemo
{
    public static void main(String[] args)throws IOException
    {
        //WriteData();
        //ReadData();
        WriteUTFDemo();
        ReadUTFDemo();
    }
    public static void WriteData()throws IOException
    {
        DataOutputStream dos = new DataOutputStream(new FileOutputStream("Data.txt"));
        dos.writeInt(10);
        dos.writeChar(97);
        dos.writeDouble(3.1415926);
        dos.writeBoolean(true);
        dos.close();        
    }
    public static void ReadData()throws IOException
    {
        DataInputStream dis = new DataInputStream(new FileInputStream("Data.txt"));
        System.out.println(dis.readInt());
        System.out.println(dis.readChar());
        System.out.println(dis.readDouble());
        System.out.println(dis.readBoolean());
        dis.close();
    }
    
    
    public static void WriteUTFDemo()throws IOException
    {
        DataOutputStream dos = new DataOutputStream(new FileOutputStream("Data-UTF.txt"));
        dos.writeUTF("你好");
        dos.close();
    }
    public static void ReadUTFDemo()throws IOException
    {
        DataInputStream dis = new DataInputStream(new FileInputStream("Data-UTF.txt"));
        System.out.println(dis.readUTF());
        dis.close();
    }
}