Lab finish

src/Employee.java

@@ -0,0 +1,29 @@
+public class Employee {
+    private String name;
+    private String position;
+    private double salary;
+
+    public Employee(String name, String position, double salary) {
+        this.name = name;
+        this.position = position;
+        this.salary = salary;
+    }
+
+    // Gett
+    public String getName() { return name; }
+    public String getPosition() { return position; }
+    public double getSalary() { return salary; }
+
+    // Sett
+    public void setName(String name) { this.name = name; }
+    public void setPosition(String position) { this.position = position; }
+    public void setSalary(double salary) { this.salary = salary; }
+
+    @Override
+    public String toString() {
+        return "Employee{name='" + name + "', position='" + position + "', salary=" + salary + "}";
+    }
+
+
+
+}

src/Task1.java

@@ -0,0 +1,27 @@
+public class Task1 {
+    public static int difference(int[] numbers) {
+        if (numbers.length == 0) {
+            throw new IllegalArgumentException("Array must have at least one element");
+        }
+
+        int min = numbers[0];
+        int max = numbers[0];
+
+        for (int i = 1; i < numbers.length; i++) {
+            if (numbers[i] < min) {
+                min = numbers[i];
+            }
+            if (numbers[i] > max) {
+                max = numbers[i];
+            }
+        }
+
+        return max - min;
+    }
+
+    public static void main(String[] args) {
+        int[] arr = {4, 15, 30, 5, 9 };
+        System.out.println("Difference = " + difference(arr));
+    }
+}
+

src/Task2.java

@@ -0,0 +1,28 @@
+public class Task2 {
+    public static void findTwoSmallest(int[] numbers) {
+        if (numbers.length < 2) {
+            System.out.println("Array must have at least two elements");
+            return;
+        }
+
+        int smallest = Integer.MAX_VALUE;
+        int secondSmallest = Integer.MAX_VALUE;
+
+        for (int num : numbers) {
+            if (num < smallest) {
+                secondSmallest = smallest;
+                smallest = num;
+            } else if (num < secondSmallest && num != smallest) {
+                secondSmallest = num;
+            }
+        }
+
+        System.out.println("Smallest: " + smallest);
+        System.out.println("Second smallest: " + secondSmallest);
+    }
+
+    public static void main(String[] args) {
+        int[] arr = {13, 4, 7, 2, 20, 5};
+        findTwoSmallest(arr);
+    }
+}

src/Task5.java

@@ -0,0 +1,20 @@
+public class Task5 {
+    public static void main(String[] args) {
+        Employee[] employees = new Employee[10];
+
+        employees[0] = new Employee("Alice", "Manager", 50000);
+        employees[1] = new Employee("Bob", "Developer", 40000);
+        employees[2] = new Employee("Charlie", "Tester", 30000);
+        employees[3] = new Trainee("David", "Intern", 25000); // salary limited
+        employees[4] = new Trainee("Eva", "Intern", 18000);
+        employees[5] = new Employee("Frank", "HR", 35000);
+        employees[6] = new Employee("Grace", "Developer", 42000);
+        employees[7] = new Employee("Hank", "Designer", 37000);
+        employees[8] = new Employee("Ivy", "Support", 28000);
+        employees[9] = new Employee("Jack", "Analyst", 45000);
+
+        for (Employee e : employees) {
+            System.out.println(e);
+        }
+    }
+}

src/TestEmployees.java

@@ -0,0 +1,21 @@
+public class TestEmployees {
+    public static void main(String[] args) {
+
+        Employee emp1 = new Employee("Alice", "Manager", 50000);
+
+
+        Trainee trainee1 = new Trainee("Bob", "Intern", 25000);
+
+
+        Trainee trainee2 = new Trainee("Charlie", "Intern", 18000);
+
+
+        System.out.println(emp1);
+        System.out.println(trainee1);
+        System.out.println(trainee2);
+
+
+        trainee2.setSalary(30000); // обмежиться 20000
+        System.out.println("After update: " + trainee2);
+    }
+}

src/TestTrainee.java

@@ -0,0 +1,17 @@
+public class TestTrainee {
+    public static void main(String[] args) {
+
+        Trainee t1 = new Trainee("David", "Intern", 50000);
+
+
+        Trainee t2 = new Trainee("Eva", "Intern", 18000);
+
+
+        System.out.println(t1);
+        System.out.println(t2);
+
+
+        t2.setSalary(35000);
+        System.out.println("After salary refresh: " + t2);
+    }
+}

src/Trainee.java

@@ -0,0 +1,19 @@
+public class Trainee extends Employee {
+    private static final double MAX_SALARY = 20000;
+
+    public Trainee(String name, String position, double salary) {
+        super(name, position, validateSalary(salary));
+    }
+
+    private static double validateSalary(double salary) {
+        if (salary > MAX_SALARY) {
+            return MAX_SALARY;
+        }
+        return salary;
+    }
+
+    @Override
+    public void setSalary(double salary) {
+        super.setSalary(validateSalary(salary));
+    }
+}