src/tp03/Card.java

+package tp03;
+
+public class Card {
+
+	private Color color;
+	private Rank rank;
+
+	public Card (Color color, Rank rank) {
+		this.color = color;
+		this.rank = rank;
+	}
+
+	public Card (String color, String rank) {
+		for (int i = 0; i < Color.values().length; i++) {
+			if (Color.values()[i].equals(color)) {
+				this.color = Color.valueOf(color);
+			}
+		}
+
+		for (int i = 0; i < Rank.values().length; i++) {
+			if (Rank.values()[i].equals(color)) {
+				this.rank = Rank.valueOf(rank);
+			}
+		}
+	}
+
+	public Color getColor() {
+		return this.color;
+	}
+
+	public Rank getRank() {
+		return this.rank;
+	}
+
+	public boolean equals(Card other) {
+		if (this == other) {
+			return true;
+		}
+		if (other == null) {
+			return false;
+		}
+		if (this.color.equals(other.color) && this.rank.equals(other.rank)) {
+			return true;
+		}
+		return false;
+	}
+
+	public String toString() {
+		return this.rank.toString() + " of " + this.color.toString();
+	}
+
+	public int compareColor(Card other) {
+		int indexOfSelf = 0;
+		int indexOfOther = 0;
+		for (int i = 0; i < Color.values().length; i++) {
+			if (Color.values()[i].equals(this.color)) {
+				indexOfSelf = i;
+			}
+			if (Color.values()[i].equals(other.color)) {
+				indexOfOther = i;
+			}
+		}
+		return indexOfSelf - indexOfOther;
+	}
+
+	public int compareRank(Card other) {
+		int indexOfSelf = 0;
+		int indexOfOther = 0;
+		for (int i = 0; i < Rank.values().length; i++) {
+			if (Rank.values()[i].equals(this.rank)) {
+				indexOfSelf = i;
+			}
+			if (Rank.values()[i].equals(other.rank)) {
+				indexOfOther = i;
+			}
+		}
+		return indexOfSelf - indexOfOther;
+	}
+
+}
\ No newline at end of file

src/tp03/Color.java

+package tp03;
+
+public enum Color {
+	CLUB, DIAMOND, HEART, SPADE;
+}
\ No newline at end of file

src/tp03/Rank.java

+package tp03;
+
+public enum Rank {
+	SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE;
+}
\ No newline at end of file

src/tp03/UseCard.java

+package tp03;
+
+public class UseCard {
+    public static void main(String[] args) {
+        Card c1 = new Card(Color.HEART, Rank.TEN);
+        Card c2 = new Card(Color.HEART, Rank.JACK);
+        Card c3 = new Card(Color.DIAMOND, Rank.TEN);
+        Card c4 = new Card(Color.CLUB, Rank.SEVEN);
+        Card c5 = new Card(Color.SPADE, null);
+        Card c6 = new Card(null, Rank.JACK);
+        Card c7 = new Card(Color.HEART, Rank.TEN);
+        // equals scenario
+        if(!c1.equals(c1) || c1.equals(null) || c1.equals(c2) || c1.equals(c3) || c1.equals(c4) || c1.equals(c5) || c1.equals(c6) || !c1.equals(c7))
+            System.out.println("equals FAILED");
+        // compareColor scenario
+        else if(c1.compareColor(c1) != 0 || c1.compareColor(c2) != 0 || c1.compareColor(c3) <= 0 || c1.compareColor(c4) <= 0 || c1.compareColor(c5) >= 0 || c1.compareColor(c7) != 0)
+            System.out.println("compareColor FAILED");
+        // compareRank scenario
+        else if(c1.compareRank(c1) != 0 || c1.compareRank(c2) >= 0 || c1.compareRank(c3) != 0 || c1.compareRank(c4) <= 0 || c1.compareRank(c6) >= 0 || c1.compareRank(c7) != 0)
+            System.out.println("compareRank FAILED");
+        else System.out.println("Tests OK");
+    }
+}

src/tp03/UseLocalDate.java

+import java.time.LocalDate;
+import java.time.chrono.ChronoLocalDate;
+import java.util.Random;
+import java.time.Period;
+
+public class UseLocalDate {
+
+	public static boolean inArray(int[] array, int value) {
+		for (int i = 0; i < array.length; i++) {
+			if (array[i] == value) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public static void main(String[] args) {
+
+		LocalDate d1 = LocalDate.now();
+		LocalDate d2 = LocalDate.of(2006, 11, 12);
+
+		// Random number manipulation for d3 date
+		Random random = new Random();
+		LocalDate d3;
+
+		int year = LocalDate.now().getYear() - random.nextInt(30) - 1;
+		int month = random.nextInt(12) + 1;
+		int dayBound;
+
+		if (inArray(new int[]{1, 3, 5, 7, 8, 10, 12}, month)) {
+			dayBound = 31;
+		} else if (month == 2) {
+			if (year % 4 == 0 && year % 100 != 0) {
+				dayBound = 29;
+			} else {
+				dayBound = 28;
+			}
+		} else {
+			dayBound = 30;
+		}
+
+
+		d3 = LocalDate.of(year, month, random.nextInt(dayBound) + 1);
+
+		System.out.println("d3 is " + d3);
+
+		if (d2.compareTo(d3) < 0) {
+			System.out.println("Older date is " + d2);
+		} else {
+			System.out.println("Older date is " + d3);
+		}
+
+		// d4 is LocalDate 7 days after today's date 
+		LocalDate d4 = d1.plusDays(7);
+
+		System.out.println("In 1 week we@'ll be on " + d4);
+
+		Period periode = d2.until(ChronoLocalDate.from(d1));
+		System.out.println(periode.getYears() + " ans, " + periode.getMonths() + " mois, et " + periode.getDays() + " jours entre " + d1 + " et " + d2);
+
+	}
+
+}
\ No newline at end of file