代码语言:java 复制 import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class BufferedReaderExample { public static void main(String[] args) { String filePath = "example.txt"; // 替换为实际文件路径 try (BufferedReader reader = new BufferedReader(new Fil...
BufferedReader in = new BufferedReader( new InputStreamReader( new FileInputStream("d:/abc/f11"))); String line; while ((line = in.readLine()) != null) { System.out.println(line); } in.close(); 运行结果:
创建对象: BufferedReader in = new BufferedReader(new FileReader(“foo.in”)); 方法BufferedReader 由 Reader 类扩展而来,提供通用的缓冲方式文本读取,而且提供了很实用的readLine(),读取一个文本行,从字符输入流中读取文本,缓冲各个字符,从而提供字符、数组和行的高效读取。 readLine()读取一行字符串,不含末尾换...
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; import java.io.StreamTokenizer; public class StreamTokenizerExample { public static void main(String[] args) throws IOException { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));...
基本用法示例:java InputStream inputStream = newFileInputStream("example.txt"); Reader reader = ...
BufferedReader类是Java IO库中的一员,其源代码实现了字符缓冲输入流。它继承自Reader类,内部通过一个字符数组char[]实现了字符的缓冲读取功能。 具体实现原理如下: public class BufferedReader extends Reader { // 内部字符数组,用于存放从输入流中读取的字符 ...
importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;publicclassBufferedReaderExample{publicstaticvoidmain(String[]args){try{// 创建一个 BufferedReader 对象,用于读取文件BufferedReaderreader=newBufferedReader(newFileReader("example.txt"));// 读取文件的每一行数据Stringline;while(...
packagecom.example.javase.io.bufferedReader;importjava.io.*;importjava.net.URL;/** * @author bug菌 * @version 1.0 * @date 2023/10/18 14:23 */publicclassBufferedReaderTest{//读取指定文件内容publicstaticvoidtestReadFile(){try{BufferedReaderreader=newBufferedReader(newFileReader("./template/file...
java.io.LineNumberReader BufferedReader直接子类 跟踪行号的缓冲字符输入流。此类定义了方法setLineNumber(int)和getLineNumber(),它们可分别用于设置和获取当前行号。 public int getLineNumber()获得当前行号。 public void setLineNumber(int lineNumber)设置当前行号。
Java BufferedReader example In the following example, we useBufferedReaderto read a text file. It is used with theFileReaderclass. Note:In the past,FileReaderrelied on the default platform's encoding. Since Java 11, the issue was corrected. It is possible now to explicitly specify the encoding...