javaIo流学习笔记

利用FileInputStream的read方法将文件内容读取至控制台

package com.xiaowu.test9_14;

import java.io.File;
import java.io.FileInputStream;
/**
* 将文件内容读取至控制台
* @author magic_xiaowu
*
*/
public class ReadFileToConsoleTest {

public static void main(String[] args) {
ReadFileToConsoleTest test = new ReadFileToConsoleTest();
test.readFile();
}

public void readFile() {
File file = new File("C:\\Users\\magic_xiaowu\\Desktop\\test1.txt");
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
byte[] buffer = new byte[1024];
int num = 0;
while((num = fis.read(buffer))!=-1) {
String str = new String(buffer, 0, num);
System.out.println(str);
}
} catch (Exception e) {
e.printStackTrace();
}finally {
try {
fis.close();
} catch (Exception e) {
e.printStackTrace();
}
}

}
}