task1

src/main/java/task_1/solution/Main.java

@@ -0,0 +1,17 @@
+package task_1.solution;
+
+public class Main {
+    public static void main(String[] args) {
+        TimeMachine timeMachine = new TimeMachine(2023);
+
+        TimeTraveler traveler1 = new TimeTraveler("Travis", 1990, 2100);
+        TimeTraveler traveler2 = new TimeTraveler("Ja", 1985, 2050);
+
+        try {
+            timeMachine.travelInTime(traveler1, 2000);
+            timeMachine.travelInTime(traveler2, 2075);
+        } catch (TimeTravelException e) {
+            System.out.println("Произошла ошибка: " + e.getMessage());
+        }
+    }
+}

src/main/java/task_1/solution/TimeMachine.java

@@ -0,0 +1,29 @@
+package task_1.solution;
+
+public class TimeMachine {
+    private int currentYear;
+    private boolean isWorking;
+
+    public TimeMachine(int currentYear) {
+        this.currentYear = currentYear;
+        this.isWorking = true;
+    }
+
+    public void travelInTime(TimeTraveler timeTraveler, int year) throws TimeTravelException {
+        if (!isWorking) {
+            throw new TimeTravelException("The time machine is not working at the moment.");
+        }
+
+        if (year < timeTraveler.getBirthYear()) {
+            throw new TimeTravelException("The year of travel to the past is less than the year of the traveler's " +
+                    "birth.");
+        }
+
+        if (year > timeTraveler.getDeathYear()) {
+            throw new TimeTravelException("The year of the travel into the future is longer than the year of the " +
+                    "traveler's death.");
+        }
+
+        System.out.println(timeTraveler.getName() + " travels through time in " + year + " year.");
+    }
+}

src/main/java/task_1/solution/TimeTravelException.java

@@ -0,0 +1,7 @@
+package task_1.solution;
+
+public class TimeTravelException extends Exception {
+    public TimeTravelException(String message) {
+        super(message);
+    }
+}

src/main/java/task_1/solution/TimeTraveler.java

@@ -0,0 +1,25 @@
+package task_1.solution;
+
+public class TimeTraveler {
+    private String name;
+    private int birthYear;
+    private int deathYear;
+
+    public TimeTraveler(String name, int birthYear, int deathYear) {
+        this.name = name;
+        this.birthYear = birthYear;
+        this.deathYear = deathYear;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getBirthYear() {
+        return birthYear;
+    }
+
+    public int getDeathYear() {
+        return deathYear;
+    }
+}