javaio ch02 FileInputStreamTest5

 

package ch02;

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

public class FileInputStreamTest5 {

	public static void main(String[] args) {

		try(FileInputStream fis = new FileInputStream ("assets/input2.txt")){
			byte[] bs = new byte[10];
//			fis.read(bs, 0, 5); //0부터 5까지만 읽을수있도록
//			for (byte b : bs) {
//				System.out.println((char)b);
//			}
			System.out.println("-----");
			int i;
			//문제1 for use index array 변경해주세요
			while((i = fis.read(bs, 0, 5)) !=-1){
				//길이값 넘어가지않도록 조심할 것
				for (int j = 0; j <i; j++) {
					System.out.print((char)bs[j]);
				}
				System.out.println(" : " + i + "바이트 읽음");
			}
			
			
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}