IO流

字符输入

//输入字符流
        String inpath2=null;
        File inFile2 = new File(inpath2);
        FileReader reader = new FileReader(inFile2);
        reader.read();

字符输出

//输出字符流
        String outpath2 = null;
        File outFile2 = new File(outpath2);
        FileWriter writer = new FileWriter(outFile);
        writer.write();

字节输入

 //输入字节流
        String inpath=null;
        File inFile = new File(inpath);
        FileInputStream inputStream = new FileInputStream(inFile);
　　　　　

　　　　　inputStream.read();

字节输出

//输出字节流
        String outpath = null;
        File outFile = new File(outpath);
        FileOutputStream outputStream = new  FileOutputStream(outFile);

　　　　　outputStream.write();