JAVA

open file java

import java.io.*;

public class openFile {

    public static void main(String[] args) {
        try{
            File file = new File("C:file.txt");
        }catch(Exception e){
            e.printStackTrace();
        }
    }
    
}

java read file

try (Stream<String> stream = Files.lines(Paths.get(String.valueOf(new File("yourFile.txt"))))) {
	stream.forEach(System.out::println);
} catch (IOException e) {
	e.printStackTrace();
}