StringFileReader.java

package calculator;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class StringFileReader {
    public static final String OUT_FILE_PATH = "./output.txt";
    public static String FileReader(){
        String fileLine = null;
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(
                    new FileReader(OUT_FILE_PATH));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        try {
            fileLine = reader.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return fileLine;
    }
}