importjava.io.File;importjava.io.FileNotFoundException;importjava.util.Scanner;publicclassReadTextFileExample{publicstaticvoidmain(String[]args){// 创建File对象Filefile=newFile("example.txt");try{// 创建Scanner对象读取文件内容Scannerscanner=newScanner(file);// 逐行读取文件内容while(scanner.hasNextLine...
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; public class ReadTextFile { public static void main(String[] args) { try { // 创建一个FileReader对象,指定要读取的文件路径 FileReader fileReader = new FileReader("example.txt"); // 创建一个BufferedReader对象,...
var filePath = Paths.get(fileName); byte[] data = Files.readAllBytes(filePath); var content = new String(data); System.out.println(content); } The example reads all bytes from a file and passes them to theStringconstructor. Read text with Files.readString ...
io.File; import java.io.FileReader; import java.io.IOException; public class ReadTextFileExample { public static void main(String[] args) { File file = new File("path/to/file.txt"); try { FileReader fileReader = new FileReader(file); BufferedReader bufferedReader = new BufferedReader(...
}privatestaticMap<Integer,String>readTxtFile(String filePath){ Map<Integer, String> txtMap =newHashMap<Integer,String>(1000);//<key,value>try(FileInputStream fileInputStream =newFileInputStream(filePath);//从文件系统中的某个文件中获得输入字节InputStreamReader inputStreamReader =newInputStreamReade...
Here is an example program to read a file line-by-line withFiles: ReadFileLineByLineUsingFiles.java packagecom.journaldev.readfileslinebyline;importjava.io.IOException;importjava.nio.file.Files;importjava.nio.file.Paths;importjava.util.List;publicclassReadFileLineByLineUsingFiles{publicstaticvoidmain...
public class ReadTxtFileFromServer { public static void main(String[] args) { try { // 创建URL对象,指定要读取的txt文件的地址 URL url = new URL("http://example.com/file.txt"); // 打开URL的连接 BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream())); ...
publicinterfaceExternalizableextendsjava.io.Serializable{voidwriteExternal(ObjectOutput out)throws IOException;voidreadExternal(ObjectInputin)throws IOException,ClassNotFoundException;} java.io.ObjectOutputStream类 表示对象输出流,它的writeObject(Object obj)方法可以对指定obj对象参数进行序列化,再把得到的字节序列写...
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packagecom.example.demo.read;importorg.apache.poi.POIXMLDocument;importorg.apache.poi.POIXMLTextExtractor;importorg.apache.poi.hslf.extractor.PowerPointExtractor;importorg.apache.poi.hssf.usermodel.HSSFCell;importorg.apache.pdfbox.pdmodel.PDDocument;importorg.apache.poi.hwpf.extractor.WordExtractor;importorg...