InputStream文件输入流

package zmx.Io;

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

public class demo05 {
	public static void main(String[] args){
		//1、建立联系   File对象
		File src=new File("F:"+File.separator+"记事"+File.separator+"5.English.docx ");
		//2、选择流
		InputStream is=null;
		try {
			is=new FileInputStream(src);
			//3.操作不断读取
			byte[] car=new byte[10];
			int len=0;//接收实际读取大小
			//循环读取
			while(-1!=(len=is.read(car))){
				//输出字节数组转成字符串
				String info=new String(car,0,len);
				System.out.println(info);
				
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("文件不存在");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("读取文件失败");
		}
		finally {
			if(null!=is){
				try {
					is.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					System.out.println("关闭文件输入流资源失败");
				}
			}
		}
	}

}