import java.io.IOException; public class BinaryFileReader { public static void main(String[] args) { File file = new File("path/to/binary/file"); try (FileInputStream fis = new FileInputStream(file)) { byte[] b
importjava.io.FileInputStream;importjava.io.IOException;publicclassReadBinaryFile{publicstaticvoidmain(String[]args){// 二进制文件路径StringfilePath="example.dat";// 创建文件输入流try(FileInputStreamfis=newFileInputStream(filePath)){intdata;// 读取数据直到文件结束while((data=fis.read())!=-1){...
importjava.io.FileInputStream;importjava.io.IOException;publicclassReadBinaryFile{publicstaticvoidmain(String[]args){try{// 创建文件输入流FileInputStreaminputStream=newFileInputStream("file.bin");// 创建一个字节数组作为缓冲区byte[]buffer=newbyte[1024];// 读取文件内容到缓冲区intbytesRead;while((by...
RandomAccessFile in=newRandomAccessFile(filename, "r"); List<Emp> emps=newArrayList<>();intcount=in.readInt();for(inti=0;i<count;i++){longid=in.readLong(); String name=readString(10,in);intage=in.readInt(); emps.add(newEmp(id,name,age)); }returnemps; }catch(Exception ex){ ex...
首先,需要使用Java的输入输出流来读取二进制文件。可以使用FileInputStream类来打开二进制文件,并使用BufferedInputStream类提高读取效率。 创建一个字符输出流,可以使用FileWriter类来创建一个字符文件,并使用BufferedWriter类提高写入效率。 使用循环读取二进制文件中的字节数据,直到文件末尾。可以使用read()方法来读取字节...
import java.io.*; public class BinaryFileReader { public static void main(String[] args) { try (FileInputStream fis = new FileInputStream("data.bin"); DataInputStream dis = new DataInputStream(fis)) { int intValue = dis.readInt(); float floatValue = dis.readFloat(); double doubleVal...
linkBinaryFile("Idea.jpg"); } private static void linkBinaryFile(String fileName) throws IOException { File imageFile = new File(fileName); if(!imageFile.exists()&&!imageFile.canRead()) { System.out.println("can not read the image or the image file doesn't exists"); ...
import java.io.FileInputStream; import java.io.IOException; public class BinaryFileReader { public static void main(String[] args) { try { File file = new File("binaryfile.bin"); FileInputStream fileInputStream = new FileInputStream(file); int data; while ((data = fileInputStream.read(...
public class BinaryFileReader { public static void main(String[] args) { try { // 打开文件 FileInputStream fileInputStream = new FileInputStream("binaryFile.bin"); // 读取数据 byte[] buffer = new byte[1024]; // 缓冲区 int bytesRead; while ((bytesRead = fileInputStream.read(buffer))...
String read = Files.readAllLines(path).get(0); assertEquals(expected_value, read); } Note that we can use thereadAllBytes()method as well if we need binary data. 5.2. Reading a Large File If we want to read a large file withFilesclass, we can use theBufferedReader. ...