Example.java

import java.util.*;

public class Example {

	// TODO: Exercise:
	//  Write a function that given a list of words and a number n, returns list of the words longer than n.

	public static void main(String[] args) {

		List<String> words;
		words = new ArrayList<String>();

		words.add("Vino");
		words.add("Queso");
		words.add("Uvas");
		words.add("Manzana");
		words.add("Ajo");

		String longest = longestWord(words);
		System.out.println("longest = " + longest);

		System.out.println( listOfMoney(5) );
	}

	/** Returns a list like this ["1€", "2€", ... "n€"] */
	public static List<String> listOfMoney(int n) {

		List<String> result;
		result = new ArrayList<String>(); // create an empty list

		for (int i = 1; i <= n; i++) {
			result.add(i + "€");
		}

		return result;
	}

	/** Returns the longest word */
	public static String longestWord(List<String> words) {

		String result = "";

		for (String word : words) {
			if (word.length() > result.length()) {
				result = word;
			}
		}

		return result;
	}

	public static void examples() {

		Person p; // (local variable)
		p = new Person();

		p.name = "Ferran";
		p.surname = "Maylinch";
		p.age = 40;

		String fullName = p.fullName();
		System.out.println(fullName);



		List<String> words;
		words = new ArrayList<String>();  // Creates a new empty list

		words.add("Vino");
		words.add("Queso");
		words.add("Uvas");

		System.out.println("words = " + words);

		System.out.println(words.get(1));

		System.out.println("There are " + words.size() + " words");

		int lastIndex = words.size() - 1;

		System.out.println(words.get(lastIndex));

		int i = 0;
		while (i < words.size()) {
			System.out.println("- " + words.get(i));
			i += 1;
		}

		// fori
		for (int j = 0; j < words.size(); j += 1) {
			System.out.println("- " + words.get(j));
		}

		// iter
		// for (TYPE x : list)
		for (String word : words) {
			System.out.println("+ " + word);
		}

	}

}

class Person {

	// fields, properties (instance variables)
	String name;
	String surname;
	int age;

	// methods, functions
	public String fullName() {

		String result = name + surname;
		return result;
	}
}