Daniel Lawson Chapter 10 Powerpoint Exercises

/**
 * Created by danie on 3/1/2017
 */
//Daniel Lawson powerpoint exercise
import java.util.*;
public class Exercises {
    public static void main(String[] args){
        ArrayList<String> list = new ArrayList<>(Arrays.asList("foodS","more","tests","food","weird"));//make an array
        System.out.println("Original: " + list.toString()); // print the first array
        reverse(list); // call the reverse method
        System.out.println("Reversed order: " +list.toString()); // print out the array after it is reversd
        capitalizePlurals(list); // call the method for capitalizing the plurals
        System.out.println("Capitalized plurals: " + list.toString()); // print the array after the plurals are capitalized
        removePlurals(list); // call the method to remove all plurals
        System.out.println("Removed Plurals: " + list.toString()); // print out the array after plurals are removed


    }
    public static void reverse(ArrayList<String> list){
        for(int i = list.size()-1; i >0;i--){
            String word = list.get(0); // store the first word in the array
            list.remove(0); // remove it
            list.add(i,word); // add it to the last place minus what number after the first one it is
        }
    }
    public static void capitalizePlurals(ArrayList<String> list){
        for(int i = 0; i<list.size();i++){
            String s = list.get(i); // get a word
            if(s.toLowerCase().endsWith("s")){ // if it ends with a s
                list.set(i,s.toUpperCase()); // set it to be uppercase
            }
        }
    }
    public static void removePlurals(ArrayList<String> list){
        for(int i = 0; i<list.size(); i++){
            if(list.get(i).toLowerCase().endsWith("s")){ // if a word ends with s
                list.remove(i); // remove  it
            }
        }
    }
}