Chapter 10

import java.util.*;

/**
 * Created by danie on 11/8/2016.
 */
public class Stars {
    public static void main(String[] args){
        ArrayList<String> list = new ArrayList<>(Arrays.asList("food","more","test"));
        System.out.println(list);
        ArrayList<String> list2 = addStars(list);
        System.out.println(list2);
        System.out.println(list);
        int[] food = {1,2,3};
    }
    public static ArrayList<String> addStars(ArrayList<String> list){
        ArrayList<String> list2 =  new ArrayList<String>();
        list2.addAll(list);
        for(int i = 0;i<list2.size();i+=2){
            list2.add(i+1,"*");
        }
        return list2;
    }
}

/**
 * Created by danie on 11/7/2016.
 */
import java.io.*;
import java.util.*;
public class numberReader {
    public static void main(String[] args)throws FileNotFoundException{
        File f = new File("C:\\Users\\danie\\Documents\\fileofnumbers.txt");
        Scanner s = new Scanner(f);
        ArrayList<Integer> list = new ArrayList<Integer>();
        while(s.hasNextInt()){
            list.add(s.nextInt());
        }
        System.out.println(list);
        double average = 0;
        for(int i = 0; i<list.size();i++){
            average +=list.get(i);
        }
        average /= list.size();
        System.out.println(average);
        System.out.println("Highest: " + Collections.max(list) + " Lowest: " + Collections.min(list));
        for(int i = 0; i<list.size();i++){
            if(list.get(i) % 2 == 0){
                list.remove(i);
                i--;
            }
        }
        System.out.println(list);
    }
}
/**
 * Created by danie on 11/8/2016.
 */
import java.util.*;
public class intersect {
    public static void main(String[] args){
        ArrayList<Integer>list1 = new ArrayList<>(Arrays.asList(1,2,3));
        ArrayList<Integer>list2 = new ArrayList<>(Arrays.asList(1,2,4));
        System.out.println(intersect(list1,list2));
    }
    public static ArrayList<Integer> intersect(ArrayList<Integer> list1, ArrayList<Integer> list2){
        ArrayList<Integer> list3 = new ArrayList<>();
        for(int i = 0; i < list2.size();i++){
            if(list1.contains(list2.get(i))){
                list3.add(list2.get(i));
            }
        }
        return list3;

       // return new ArrayList<Integer>() =
    }
}