Java读取二进制文件的完整方法

import java.io.FileInputStream;
import java.io.IOException;

public class ReadBinaryFile {
    public static void main(String[] args) {
        String filePath = "data.bin"; // 二进制文件路径
        try (FileInputStream fis = new FileInputStream(filePath)) {
            int data;
            while ((data = fis.read()) != -1) {
                System.out.printf("%02X ", data); // 以十六进制打印每个字节
            }
        } catch (IOException e) {
            System.err.println("读取文件出错：" + e.getMessage());
        }
    }
}

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;

public class ReadBinaryWithBuffer {
    public static void main(String[] args) {
        String filePath = "large.bin";
        try (FileInputStream fis = new FileInputStream(filePath);
             BufferedInputStream bis = new BufferedInputStream(fis)) {

            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = bis.read(buffer)) != -1) {
                for (int i = 0; i 

import java.nio.file.Files;
import java.nio.file.Paths;
import java.io.IOException;

public class ReadAllBytesExample {
    public static void main(String[] args) {
        String filePath = "small.bin";
        try {
            byte[] bytes = Files.readAllBytes(Paths.get(filePath));
            for (byte b : bytes) {
                System.out.printf("%02X ", b & 0xFF);
            }
        } catch (IOException e) {
            System.err.println("读取异常：" + e.getMessage());
        }
    }
}