importjava.io.BufferedReader;importjava.io.File;importjava.io.FileReader;importjava.io.IOException;publicclassReadTextFile{publicstaticvoidmain(String[]args){// 1. 创建文件对象,指定路径Filefile=newFile("example.txt");// 2. 创建字符输入流try(FileReaderfr=newFileReader(file);BufferedReaderbr=newBuff...
要使用java.io包中的类打开文本文件,可以使用FileReader和BufferedReader类。下面是一个示例代码: import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class TextFileReader { public static void main(String[] args) { try { FileReader fileReader = new FileReader("...
(fileName); } private static void readUsingFileReader(String fileName) throws IOException { File file = new File(fileName); FileReader fr = new FileReader(file); BufferedReader br = new BufferedReader(fr); String line; System.out.println("Reading text file using FileReader"); while((line ...
FormData text_fileLData =newFormData(); text_fileLData.width = 378; text_fileLData.height = 257; text_fileLData.left =newFormAttachment(0, 1000, 0); text_fileLData.top =newFormAttachment(0, 1000, 43); text_fileLData.right =newFormAttachment(1000, 1000, 0); text_fileLData.bottom =...
首先,需要创建一个FileReader对象来指定要读取的文件路径,然后再创建一个BufferedReader对象来读取文件内容。可以使用BufferedReader对象的readLine()方法来逐行读取文件内容。 下面是一个示例代码: importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;publicclassReadTextFile{publicstaticvoidmain...
Java read text files tutorial shows how to read text files in Java. We use build-in tools including FileReader, InputStreamReader, and Scanner.
一、使用FileReader与BufferedReader public String readTextFileWithBufferedReader(String filePath) { StringBuilder content = new StringBuilder(); try (FileReader fileReader = new FileReader(filePath); BufferedReader bufferedReader = new BufferedReader(fileReader)) { ...
下面是BufferedReader的文档(jdk1.8)以及来自英语渣不负责任的翻译: Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines. 从字符输入流读取文本,并且缓冲字符,以便提供对字符、数组和行的有效读取。 The buffer size may...
ASCII is a TEXT file so you would use Readers for reading. Java also supports reading from a binary file using InputStreams. If the files being read are huge then you would want to use a BufferedReader on top of a FileReader to improve read performance. Go through this article on how ...
首先,我们需要从文本文件中读取数据。在Java中,我们可以使用java.io.BufferedReader类来读取文本文件的内容。以下是一个简单的代码示例,演示了如何读取一个文本文件并打印文件内容: importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;publicclassTextFileReader{publicstaticvoidmain(String[]...