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004_comission/_resources/it114105/itp4510/Lab02/Lab2.1/q4/ReadTextFile.java
louiscklaw 6c60a73f30 update,
2025-01-31 19:15:17 +08:00

21 lines
655 B
Java

import java.util.*;
import java.io.*;
public class ReadTextFile {
public static void main(String[] args) {
String filename = "";
String line;
try {
filename = args[0];
Scanner fin = new Scanner(new File(filename));
while (fin.hasNextLine()) {
line = fin.nextLine();
System.out.println(line);
}
} catch (ArrayIndexOutOfBoundsException e) {
System.out.println("Usage: java ReadTextFile <filename>");
} catch (FileNotFoundException e) {
System.out.println("Failed to open file " + filename);
}
}
}