java/IO/io25.java at master · eggfly/java

40 lines (34 loc) · 1.1 KB

* @由于个人水平有限, 难免有些错误, 还请指点:

* @Author: cpu_code

* @Date: 2020-09-19 12:42:37

* @LastEditTime: 2020-09-19 14:17:28

* @FilePath: \java\IO\io25.java

* @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)

* @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)

* @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)

* @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)

package IO;

import java.io.FileReader;

import java.io.IOException;

public class io25{

public static void main(String[] args) throws IOException {

//使用文件名称创建流对象

FileReader fr = new FileReader("cpucode.txt");

// 定义变量，保存有效字符个数

int len;

// 定义字符数组，作为装字符数据的容器

char[] cbuf = new char[2];

//循环读取

while ((len = fr.read(cbuf)) != -1) {

System.out.println(new String(cbuf, 0, len));

}

//关闭资源

fr.close();

}

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