②FileInputStream_FileOutputStream

package io;

import java.io.FileInputStream;
import java.io.FileOutputStream;

public class BasicIO {
	//
	public static void main(String[] args) {
		try{
			int temp=-1;
			FileInputStream in = new FileInputStream("F://eclipseWorkStation//temp//basicIO1.txt");
			FileOutputStream os = new FileOutputStream("F://eclipseWorkStation//temp//to//basicIO1.txt");
			while((temp=in.read())!=-1){
				os.write(temp);
			}
			
			
		}catch(Exception e){
			
		}
	}
	
}

 

int read() 读取的是实际字节的十进制值。