[Java知识库]javaSE关于FileInputStream的笔记（5）

package IO;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FileInputStreamTest05 {
    public static void main(String[] args) {
        FileInputStream fis =null;
        try {
            fis = new FileInputStream("tempfile");
            // 总字节数量
            System.out.println("剩下未读字节数：" + fis.available());
            // 读一个字节
            //int readByte = fis.read();
            // 还剩下5个字节
            //System.out.println("剩下未读字节数：" + fis.available());
            /*byte[] bytes = new byte[fis.available()];
            int readCount = fis.read(bytes);
            System.out.println(new String(bytes));*/

            // skip跳过几个字节不读
            fis.skip(3);
            System.out.println(fis.read());


        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fis != null) {
                try {
                    fis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }
}