lab2

employee.txt

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+eertssty122000
+eertssty122000
+eertssty122000
+Name: Ali Email: ali@mail.com Age: 25 Salary: 3500.0
+Name: Leyla Email: leyla@mail.com Age: 28 Salary: 4200.0
+Name: Murad Email: murad@mail.com Age: 30 Salary: 5000.0
+Name: Nigar Email: nigar@mail.com Age: 22 Salary: 2800.0
+Name: Kamran Email: kamran@mail.com Age: 35 Salary: 6000.0
+Name: Aysel Email: aysel@mail.com Age: 27 Salary: 3900.0
+Name: Rauf Email: rauf@mail.com Age: 40 Salary: 7500.0
+Name: Sevda Email: sevda@mail.com Age: 24 Salary: 3100.0
+Name: Tural Email: tural@mail.com Age: 29 Salary: 4700.0
+Name: Gunel Email: gunel@mail.com Age: 26 Salary: 3600.0
+Name: Ali Email: ali@mail.com Age: 25 Salary: 3500.0
+Name: Leyla Email: leyla@mail.com Age: 28 Salary: 4200.0
+Name: Murad Email: murad@mail.com Age: 30 Salary: 5000.0
+Name: Nigar Email: nigar@mail.com Age: 22 Salary: 2800.0
+Name: Kamran Email: kamran@mail.com Age: 35 Salary: 6000.0
+Name: Aysel Email: aysel@mail.com Age: 27 Salary: 3900.0
+Name: Rauf Email: rauf@mail.com Age: 40 Salary: 7500.0
+Name: Sevda Email: sevda@mail.com Age: 24 Salary: 3100.0
+Name: Tural Email: tural@mail.com Age: 29 Salary: 4700.0
+Name: Gunel Email: gunel@mail.com Age: 26 Salary: 3600.0

src/main/java/lab2/Employee.java

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+package lab2;
+
+public class Employee {
+    private String name;
+    private String email;
+    private int age;
+    private double salary;
+
+    public Employee(String name, String email, int age, double salary) {
+        this.name = name;
+        this.email = email;
+        this.age = age;
+        this.salary = salary;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        if (name.trim().isEmpty() || name == null) {
+            throw new IllegalArgumentException("Name cannot be null or empty");
+        }
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        if (email == null || !email.matches("^[A-Za-z0-9+_.-]+@(.+)$")) {
+            throw new IllegalArgumentException("Invalid email address");
+        }
+        this.email = email;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        if (age < 18 || age > 100) {
+            throw new IllegalArgumentException("Invalid age");
+        }
+        this.age = age;
+    }
+
+    public double getSalary() {
+        return salary;
+    }
+
+    public void setSalary(double salary) {
+        this.salary = salary;
+    }
+}

src/main/java/lab2/Intern.java

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+package lab2;
+
+public class Intern extends Employee {
+
+    public static final double MAX_SALARY = 20000;
+
+    public Intern(String name, String email, int age, double salary) {
+        super(name, email, age, salary);
+    }
+
+    @Override
+    public void setSalary(double salary) {
+        if (salary > MAX_SALARY) {
+            throw new IllegalArgumentException("Salary exceeds maximum");
+        }
+        super.setSalary(salary);
+
+    }
+
+
+}

src/main/java/lab2/Main.java

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+package lab2;
+
+import java.io.*;
+import java.util.Scanner;
+
+public class Main {
+
+    public static void main(String[] args) throws IOException {
+        Employee emp1 = new Employee("Ali", "ali@mail.com", 25, 3500);
+        Employee emp2 = new Employee("Leyla", "leyla@mail.com", 28, 4200);
+        Employee emp3 = new Employee("Murad", "murad@mail.com", 30, 5000);
+        Employee emp4 = new Employee("Nigar", "nigar@mail.com", 22, 2800);
+        Employee emp5 = new Employee("Kamran", "kamran@mail.com", 35, 6000);
+        Employee emp6 = new Employee("Aysel", "aysel@mail.com", 27, 3900);
+        Employee emp7 = new Employee("Rauf", "rauf@mail.com", 40, 7500);
+        Employee emp8 = new Employee("Sevda", "sevda@mail.com", 24, 3100);
+        Employee emp9 = new Employee("Tural", "tural@mail.com", 29, 4700);
+        Employee emp10 = new Employee("Gunel", "gunel@mail.com", 26, 3600);
+
+        try (FileWriter fw = new FileWriter("employee.txt", true);) {
+            fw.write("Name: " + emp1.getName() + " Email: " + emp1.getEmail() +
+                    " Age: " + emp1.getAge() + " Salary: " + emp1.getSalary() + "\n");
+
+            fw.write("Name: " + emp2.getName() + " Email: " + emp2.getEmail() +
+                    " Age: " + emp2.getAge() + " Salary: " + emp2.getSalary() + "\n");
+
+            fw.write("Name: " + emp3.getName() + " Email: " + emp3.getEmail() +
+                    " Age: " + emp3.getAge() + " Salary: " + emp3.getSalary() + "\n");
+
+            fw.write("Name: " + emp4.getName() + " Email: " + emp4.getEmail() +
+                    " Age: " + emp4.getAge() + " Salary: " + emp4.getSalary() + "\n");
+
+            fw.write("Name: " + emp5.getName() + " Email: " + emp5.getEmail() +
+                    " Age: " + emp5.getAge() + " Salary: " + emp5.getSalary() + "\n");
+
+            fw.write("Name: " + emp6.getName() + " Email: " + emp6.getEmail() +
+                    " Age: " + emp6.getAge() + " Salary: " + emp6.getSalary() + "\n");
+
+            fw.write("Name: " + emp7.getName() + " Email: " + emp7.getEmail() +
+                    " Age: " + emp7.getAge() + " Salary: " + emp7.getSalary() + "\n");
+
+            fw.write("Name: " + emp8.getName() + " Email: " + emp8.getEmail() +
+                    " Age: " + emp8.getAge() + " Salary: " + emp8.getSalary() + "\n");
+
+            fw.write("Name: " + emp9.getName() + " Email: " + emp9.getEmail() +
+                    " Age: " + emp9.getAge() + " Salary: " + emp9.getSalary() + "\n");
+
+            fw.write("Name: " + emp10.getName() + " Email: " + emp10.getEmail() +
+                    " Age: " + emp10.getAge() + " Salary: " + emp10.getSalary() + "\n");
+
+        }
+
+        String fileName = "employee.txt";
+        File loadFile = new File("employee.txt");
+        try (Scanner reader = new Scanner(loadFile)) {
+            while (reader.hasNextLine()) {
+                System.out.println(reader.nextLine());
+
+            }
+        }
+
+
+    }
+}