CIS 260 ReadAllLines.java

Code

/*
    ReadAllLines.java
    David Klick
    2018-01-08
    CIS 260
    
    This program reads in all the lines from a file at once
    into a list and then displays them.
*/
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.util.List;

public class ReadAllLines {
    public static void main(String[] args) {
        String filename = "int1to100.txt";
        List<String> contents = null;

        try {
            Path path = FileSystems.getDefault().getPath(filename);
            contents = Files.readAllLines(path, StandardCharsets.UTF_8);
        } catch (Exception e) {
            System.err.printf("Error reading file %s%n", filename);
            System.exit(1);
        }
        
        for (String line : contents) System.out.println(line);
    }
}