import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Scanner;
public class Main {
static Scanner input = new Scanner(System.in);
public static void main(String[] args) {
while (true) {
try {
System.out.print("请输入文件路径及文件名:");
String Filename = input.next();
File f = new File(Filename);
if (f.exists()) {
FileInputStream in = new FileInputStream(f);
int n;
byte[] by = new byte;
System.out.println("正在读取···");
n = in.read(by);
System.out.println(new String(by,0,n));
}else {
System.out.println("文件不存在。");
continue;
}}catch(FileNotFoundException e) {
System.out.println("文件不存在或拒绝访问。");
}catch(IOException e) {
System.out.println("文件读写异常。");
}
}
}
}
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