first code

EmployeeDatabase.java

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+import java.util.Scanner;
+
+class Employee {
+
+    String name;
+    int empId;
+    String department;
+    int age;
+    String designation;
+    double salary;
+
+    // Method to read employee details
+    void readEmployee(Scanner sc) {
+        System.out.print("Enter Name: ");
+        name = sc.nextLine();
+
+        System.out.print("Enter Employee ID: ");
+        empId = sc.nextInt();
+        sc.nextLine(); // consume newline
+
+        System.out.print("Enter Department: ");
+        department = sc.nextLine();
+
+        System.out.print("Enter Age: ");
+        age = sc.nextInt();
+        sc.nextLine();
+
+        System.out.print("Enter Designation: ");
+        designation = sc.nextLine();
+
+        System.out.print("Enter Salary: ");
+        salary = sc.nextDouble();
+        sc.nextLine();
+
+        System.out.println("---------------------------------");
+    }
+
+    // Method to display employee details
+    void displayEmployee() {
+        System.out.println("Name: " + name);
+        System.out.println("Employee ID: " + empId);
+        System.out.println("Department: " + department);
+        System.out.println("Age: " + age);
+        System.out.println("Designation: " + designation);
+        System.out.println("Salary: " + salary);
+        System.out.println("---------------------------------");
+    }
+}
+
+public class EmployeeDatabase {
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        int n = 5; // minimum 5 employees
+        Employee[] emp = new Employee[n];
+
+        // Read employee details
+        for (int i = 0; i < n; i++) {
+            System.out.println("\nEnter details of Employee " + (i + 1));
+            emp[i] = new Employee();
+            emp[i].readEmployee(sc);
+        }
+
+        // Display all employee details
+        System.out.println("\n===== Employee Details =====");
+        for (int i = 0; i < n; i++) {
+            emp[i].displayEmployee();
+        }
+
+        // Calculate total salary of Sales department
+        double salesTotal = 0;
+        for (int i = 0; i < n; i++) {
+            if (emp[i].department.equalsIgnoreCase("Sales")) {
+                salesTotal += emp[i].salary;
+            }
+        }
+        System.out.println("Total Salary of Sales Department: " + salesTotal);
+
+        // Find highest paid Manager in Purchase department
+        Employee highestPaidManager = null;
+
+        for (int i = 0; i < n; i++) {
+            if (
+                emp[i].department.equalsIgnoreCase("Purchase") &&
+                emp[i].designation.equalsIgnoreCase("Manager")
+            ) {
+                if (
+                    highestPaidManager == null ||
+                    emp[i].salary > highestPaidManager.salary
+                ) {
+                    highestPaidManager = emp[i];
+                }
+            }
+        }
+
+        // Display result
+        if (highestPaidManager != null) {
+            System.out.println(
+                "\n===== Highest Paid Manager in Purchase Department ====="
+            );
+            highestPaidManager.displayEmployee();
+        } else {
+            System.out.println("\nNo Manager found in Purchase Department.");
+        }
+
+        sc.close();
+    }
+}