Read text file with Files.readAllLines TheFiles.readAllLinesmethod reads all lines from a file. This method ensures that the file is closed when all bytes have been read or an exception is thrown. The bytes from the file are decoded into characters using the specified charset. Note that this ...
刘政道 - 应用程序框架 1 2publicString mReadFileText(String path) 3{ 4StringBuilder contents=newStringBuilder(); 5try 6{ 7BufferedReader input=newBufferedReader(newFileReader(path)); 8try 9{ 10String line=null; 11while(( line=input.readLine())!=null){...
(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 ...
import java.io.InputStreamReader; public class MultipartFileTextReader { public void readText(MultipartFile file) { try (BufferedReader br = new BufferedReader(new InputStreamReader(file.getInputStream())) { String line; while ((line = br.readLine()) != null) { System.out.println(line); }...
importjava.io.BufferedReader;importjava.io.FileReader;importjava.io.IOException;publicclassReadTextFile{publicstaticvoidmain(String[]args){StringfilePath="path/to/file.txt";intlineNumber=5;try(FileReaderfileReader=newFileReader(filePath);BufferedReaderbufferedReader=newBufferedReader(fileReader)){intcurrent...
Java可以使用java.io包中的FileReader和BufferedReader类来读取文本文件,并使用System.out.println()方法输出文本内容。 下面是一个简单的示例代码: import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class ReadTextFile { public static void main(String[] args) { ...
FileReader(String fileName): 创建一个新的 FileReader,给出要读取的文件名 例子: import java.io.*; public class GFG { public static void main(String[] args) throws Exception { FileReader fr = new FileReader( "C:\\Users\\pankaj\\Desktop\\test.txt"); ...
importjava.io.File;// Import the File classimportjava.io.FileNotFoundException;// Import this class to handle errorsimportjava.util.Scanner;// Import the Scanner class to read text filespublicclassMain{publicstaticvoidmain(String[] args){try{ ...
File f = new File("textfile.txt"); f.withReader("UTF-8") { br -> br.eachLine { line -> println line; } } #2楼 java-8发布后(2014年3月),您将可以使用流: try (Stream<String> lines = Files.lines(Paths.get(filename), Charset.defaultCharset())) { ...
读取publicstaticStringreadText()throws IOException{String pathname="C:\\dd.txt";// 绝对路径或相对路径都可以,这里是绝对路径,写入文件时演示相对路径String fileContent="";String second="";File f=newFile(pathname);if(f.isFile()&&f.exists()){InputStreamReader read=newInputStreamReader(newFileInput...