首先创建FileReader对象112、将FileReader传递给BufferedReader123、采用BufferedReader的readLine()方法和read()方法来读取文件内容134、最后一定要的finally语句中关闭BufferedReader15*/16publicclassMathYsf3{17publicstaticvoidmain(
Read File to String using BufferedReader [< Java 7] 使用BufferedReader 读取文件,最老的方式 If you are still not using java 7 or later, then useBufferedReaderclass. It’sreadLine()method reads the file one line at a time and return the content. 代码语言:javascript 代码运行次数:0 复制 Clo...
public String readLine():读取一整行字符串,返回值当中不包含换行符。 AI检测代码解析 public class ReadLine { public static void main(String[] args) throws IOException { FileReader fr = new FileReader("file11.txt"); // 文件三行 BufferedReader br = new BufferedReader(fr); // String line = b...
而BufferedReader只是解析流数据并组成一行一行的String。"而InputStreamReader是Reader的一个子类 。 InputStreamReader中通过StreamDecoder这个辅助类来完成的。 "An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset"...
import java.io.BufferedReader; import java.io.FileInputStream; import java.io.InputStreamReader; import java.nio.charset.StandardCharsets; void main() throws Exception { String fileName = "russian-text.txt"; try (var fis = new FileInputStream(fileName); ...
PathfilePath=Path.of("c:/temp/demo.txt");StringfileContent="";try{byte[]bytes=Files.readAllBytes(Paths.get(filePath));fileContent=newString(bytes);}catch(IOExceptione){//handle exception} 4. UsingBufferedReader– Java 6 If you are still not using Java 7 or later, then useBufferedReader...
StreamReader 的ReadLine,Read,ReadToEnd方法 2018-03-13 16:37 −1.ReadLine() 当遇到\n \r 或者是\r\n的时候 此方法返回这前面的字符串,然后内部的指针往后移一位下次从新的地方开始读,直到遇到数据的结尾处返回null,所以经常这样使用 String content; using(StreamR... ...
ReadFileLineByLineUsingBufferedReader.java packagecom.journaldev.readfileslinebyline;importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;publicclassReadFileLineByLineUsingBufferedReader{publicstaticvoidmain(String[]args){BufferedReaderreader;try{reader=newBufferedReader(newFileReader(...
import java.io.IOException; /** * Read contents of a File line by line using BufferedReader * www.tutorialkart.com */ public class Example { public static void main(String args[]){ String filename = "samplefile.txt"; BufferedReader br = null; ...
String line; while ((line = br.readLine()) != null) { System.out.println(line); } } } The example reads a text file using anInputStreamReader. try (var br = new BufferedReader(new InputStreamReader( new FileInputStream(fileName), StandardCharsets.UTF_8))) { ...