snake branch

CCI_Java/CCI_Java/src/td14/exo1/BisectionUtils.java

+package td14.exo1;
+
+public class BisectionUtils {
+	/* Fonction f(x) = x * x - 4 */
+	static double f(double x) {
+		return x * x - 4;
+	}
+
+	/* Mthode de dichotomie (on suppose que f(a) et f(b) sont de signes opposs) */
+	static double findZero(double a, double b, double epsilon) {
+		/* Si f(a) >= 0, on change a et b */
+		if (f(a) > 0) {
+			double temp = a;
+			a = b;
+			b = temp;
+		}
+		/* Itrations jusqu' |a - b| <= epsilon */
+		while (Math.abs(b - a) > epsilon) {
+			double mid = (a + b) / 2;
+			if (f(mid) < 0) {
+				a = mid;
+			} else {
+				b = mid;
+			}
+		}
+		/* Lorsque |a - b| <= epsilon, on retourne une valeur entre a et b */
+		return (a + b) / 2;
+	}
+}

CCI_Java/CCI_Java/src/td14/exo1/BisectionUtilsTest.java

+package td14.exo1;
+
+public class BisectionUtilsTest {
+
+	public static void main(String[] args) {
+		double result = BisectionUtils.findZero(0, 4, 1e-12);
+		System.out.println(result);
+
+	}
+
+}

CCI_Java/CCI_Java/src/td15/exo1/Member.java

+package td15.exo1;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class Member {
+	private String firstName;
+	private String lastName;
+	private boolean[] practicedSports;
+
+	public Member(String firstName, String lastName) {
+		this.firstName = firstName;
+		this.lastName = lastName;
+		practicedSports = new boolean[Sports.TOTAL_SPORTS];
+		for (int idx = 0; idx < Sports.TOTAL_SPORTS; idx++) {
+			practicedSports[idx] = false;
+		}
+	}
+
+	public String getFirstName() {
+		return firstName;
+	}
+
+	public String getLastName() {
+		return lastName;
+	}
+
+	public boolean practices(int sport) {
+		return practicedSports[sport];
+	}
+
+	public void addSport(int sport) {
+		practicedSports[sport] = true;
+	}
+
+	public void removeSport(int sport) {
+		practicedSports[sport] = false;
+	}
+	
+	 public int[] getPracticedSports() {
+		 List<Integer> resList = new ArrayList<Integer>(); 
+		 for (int idx = 0; idx < Sports.TOTAL_SPORTS; idx++) {
+			 if(practicedSports[idx])
+				 resList.add(idx);
+		 }
+		 returns resList.toArray(new int[resList.size()]);
+	 }
+}

CCI_Java/CCI_Java/src/td15/exo1/Sports.java

+package td15.exo1;
+
+public class Sports {
+	public static final int TENNIS = 0;
+	public static final int NATATION = 1;
+	public static final int ATHLETISME = 2;
+	public static final int VOLLEY = 3;
+	public static final int RUGBY = 4;
+	public static final int BASKET = 5;
+	public static final int RANDONNEE = 6;
+	private static final String[] list = { "Tennis", "Swimming", "Athletics", "Volleyball", "Rugby", "Basket",
+			"Hiking" };
+
+	public static int TOTAL_SPORTS = 7;
+
+	public static String getName(int sport) {
+		return list[sport];
+	}
+}

CCI_Java/CCI_Java/src/td15/exo1/TestSports.java

+package td15.exo1;
+
+public class TestSports {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		System.out.println("Affichage de deux sports particuliers :");
+		System.out.println(Sports.getName(Sports.RUGBY));
+		System.out.println(Sports.getName(Sports.TENNIS));
+		System.out.println("Affichage de tous les sports :");
+		for (int sport = 0; sport < Sports.TOTAL_SPORTS; sport++)
+		System.out.println(Sports.getName(sport));
+	}
+
+}