java.se.io.7.緩衝處理流

package com.knock.io;

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

import org.junit.Test;

/**
 * @date 160802pm
 * 處理流，流的重點，其作用是對節點流的增強，參考裝飾模式
 * 本類爲BufferInputStream，其作用是提高效率,輸出流略，
 * */
public class KhBuffer {
	@Test
	public void test(){
		File src = new File("D:/test/a.txt");
		InputStream is = null;
		try {
			is = new BufferedInputStream(new FileInputStream(src));
			byte[] car = new byte[1024];
			int len;
			while(-1!=(len=(is.read(car)))){
				String str = new String(car,0,len);
				System.out.println(str);
			}
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try {
				if(null!=is){
					is.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}