Question

how would i use test.add because i would like to use add
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class checkFruit {

    private List<String> tests;

    public List<String> getFruit(String fruits) {
        tests = new ArrayList<String>(Arrays.asList(fruits.split(",")));
        for (String test : tests) {
            System.out.println(test);
            tests.add()//how would i use add here
        }
        return tests;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter file name: ");
        File file = new File(in.nextLine());
        try {
            checkFruit fruit = new checkFruit();
            System.out.println(fruit.getFruit("Apple,Banana,Pineapple"));
            Scanner fin = new Scanner(file);
            while (fin.hasNextLine()) {
                System.out.println(fruit.getFruit(fin.nextLine()));
            }
            fin.close();
        } catch (FileNotFoundException e) {
            System.out.println(file.getAbsolutePath() + " is not found!");
        }
        in.close();
    }
}

Answer 1

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class checkFruit {

    private List<String> tests;

    public List<String> getFruit(String fruits) {
        tests = new ArrayList<String>(Arrays.asList(fruits.split(",")));
        for (String test : tests) {
            System.out.println(test);
            tests.add()//how would i use add here
        }
        return tests;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter file name: ");
        File file = new File(in.nextLine());
        try {
            checkFruit fruit = new checkFruit();
            Scanner fin = new Scanner(file);
            List<String> fruits = new ArrayList<>();
            while (fin.hasNextLine()) {
                fruits.addAll(fruit.getFruit(fin.nextLine()));
            }
            // add other fruits
            fruits.add("Mango");
            fruits.add("Banana");
            System.out.println("Fruits are: " + fruits);
            fin.close();
        } catch (FileNotFoundException e) {
            System.out.println(file.getAbsolutePath() + " is not found!");
        }
        in.close();
    }
}