Sviridov Yap 7

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws FileNotFoundException {
        PrintWriter print1=new PrintWriter(new File("First.txt"));
        PrintWriter print2=new PrintWriter(new File("Second.txt"));
        PrintWriter print3=new PrintWriter(new File("Third.txt"));
        WorkingClas.working(() -> { //вывод синусов чисел исходного файла
            Scanner scan=new Scanner(new File("In.txt"));
            while (scan.hasNext()){
                int val=scan.nextInt();
                print1.println(String.format("sin(%s)=%s",val,Math.sin(Math.toRadians(val))));
            }
            print1.close();
            scan.close();
        });
        WorkingClas.working(() -> { //вывод косинусов чисел исходного файла
            Scanner scan=new Scanner(new File("In.txt"));
            while (scan.hasNext()){
                int val=scan.nextInt();
                print2.println(String.format("cos(%s)=%s",val,Math.cos(Math.toRadians(val))));
            }
            print2.close();
            scan.close();
        });
        WorkingClas.working(() -> { //вывод тангенсов чисел исходного файла
            Scanner scan=new Scanner(new File("In.txt"));
            while (scan.hasNext()){
                int val=scan.nextInt();
                print3.println(String.format("tg(%s)=%s",val,Math.tan(Math.toRadians(val))));
            }
            print3.close();
            scan.close();
        });
    }
}

///////////////


import java.io.FileNotFoundException;

public class WorkingClas {
    public static void working(WorkingInterface workingInterface) throws FileNotFoundException {
        workingInterface.work();
    }
}
///////////


import java.io.FileNotFoundException;

public interface WorkingInterface {
    void work() throws FileNotFoundException;
}