JAVA Programming Make a class Employee with a name and salar

JAVA Programming

Make a class Employee with a name and salary. Make a class Manager inherit from Employee. Add an instance variable, named department, of the type String, Supply a toString method that prints the manager’s name, department, and salary. Make a class Executive inherit from Manager. Supply appropriate toString methods for all classes. Provide a driver program, EmployeeTester, that tests these classes and methods.

Solution

/*
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package chegg;

public class Employee extends BasicPerson{
private double salary;
private String name;
  
Employee()
{
salary = 0.0;
name = \"\";
}
  
Employee(double salary,String name)
{
this.salary = salary;
this.name = name;
}
  
public String toString()
{
return \"Employee name is : \" + name + \" and salary is : \" + salary;
}
  
}

/*
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*/
package chegg;

public class Manager extends Employee {
private String department;
  
public Manager()
{
super();
department = \"\";
}
  
public Manager(String name,double salary,String department)
{
super(salary,name);
this.department = department;
}
  
public String toString()
{
return super.toString()+\" and department is : \"+department;
}
  
}

/*
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*/
package chegg;

public class Executive extends Manager {
  
public Executive(String name,double salary,String department)
{
super(name,salary,department);
}
  
public String toString()
{
return super.toString()+\" and i am executive too\";
}
  
}

/*
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*/
package chegg;

public class EmployeeTester {
  
public static void main(String[] args)
{
Employee e1 = new Employee(100, \"John\");
Manager m1 = new Manager(\"John\", 100, \"Technology\");
Executive ee1 = new Executive(\"John\", 100, \"Technology\");
  
System.out.println(e1);
System.out.println(m1);
System.out.println(ee1);
}
}