Lab3.java

// 3: A class called Employee which models am employee with an id, name and salary is designed as shown in the class diagram.
// the method raiseSalary(percentage) increases the salary by the given percentage.
// Develop the employee class and suitable main method to demonstration.
import java.util.Scanner;

class Employee {
    String id, name;
    double salary, percentage;

    void read() {
        Scanner s = new Scanner(System.in);
        System.out.println("Enter ID, Name, Salary");
        id = s.next();
        name = s.next();
        salary = s.nextDouble();
    }

    void display() {
        System.out.println(id + "\t" + name + "\t" + salary);
    }

    void raise(double percentage) {
        salary += (percentage / 100) * salary;
    }
}

public class Lab3 {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        System.out.println("Enter the number of employee");
        int n = s.nextInt();
        Employee e[] = new Employee[n];
        for (int i = 0; i < n; i++) {
            e[i] = new Employee();
            e[i].read();
        }
        System.out.println("ID\tName\tSalary\n");
        for (int i = 0; i < n; i++)
            e[i].display();
        System.out.println("Enter percentage");
        double per = s.nextDouble();
        for (int i = 0; i < n; i++)
            e[i].raise(per);
        System.out.println("ID\tName\tSalary");
        for (int i = 0; i < n; i++)
            e[i].display();
    }
}

/*
 * Output:

 * Enter the number of employee
 * 2
 * Enter ID, Name, Salary
 * 1 A 1000
 * Enter ID, Name, Salary
 * 2 B 2000
 * ID Name Salary
 * 1 A 1000.0
 * 2 B 2000.0
 * Enter percentage
 * 10
 * ID Name Salary
 * 1 A 1100.0
 * 2 B 2200.0

 */