import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
public class Main {
public static void main(String[] args) throws IOException {
FileReader fileReader1 = new FileReader("C:\\test\\input.txt");
FileInputStream fileInputStream1 = new FileInputStream("C:\\test\\input.txt");
FileReader fileReader2 = new FileReader("C:\\test\\abc.png");
FileInputStream fileInputStream2 = new FileInputStream("C:\\test\\abc.png");
int ab=fileReader1.read();
int bc=fileInputStream1.read();
int ab1=fileReader2.read();
int bc1=fileInputStream2.read();
System.out.println("reading a file : fileReader:"+ab+" fileInputStream:"+bc);
System.out.println("resding PNG : fileReader:"+ab1+" fileInputStream:"+bc1);
}
}
输出:
reading a file : fileReader:104 fileInputStream:104
resding PNG : fileReader:8240 fileInputStream:137
我正在使用 FileReader 和 FileInputStream 来读取 txt 文件和读取图像文件。我知道按字节读取和按其他字符读取。但我没有得到这个输出。
最佳答案
文件阅读器:
Convenience class for reading character files. The constructors of this class assume that the default character encoding and the default byte-buffer size are appropriate.
文件输入流:
FileInputStream is meant for reading streams of raw bytes such as image data. For reading streams of characters, consider using FileReader.
关于java - FileReader 和 FileInputStream 的不同输出,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16742017/