Problems
Java Person Teacher 4
Java Person Teacher 4
Implement a class Person.
Implement a class Teacher that extends Person.
class Person
{
protected String Surname, Name;
protected int Age;
Person(String Surname, String Name, int Age) // Constructor
public String toString() // Print Surname Name Age
}
class Teacher extends Person
{
protected String Subject;
protected int Salary;
Teacher(String Surname, String Name, int Age, String Subject, int Salary) // Constructor
public String toString() // Print Surname Name Age Subject Salary
}
class ListOfPeople
{
ArrayList<Person> a = new ArrayList<Person>();
public void add(Person p) // Add person p to array list
public int size() // Return size of array list
public String toString() // Print people in array list. Each person print in a separate line
public ListOfPeople getTeachers() // Return the list of Teachers only
public int GetNumberOfTeachers() // Return the number of Teachers in the list
public ListOfPeople getTeachers(String Subject) // Return the list of Teachers who runs the subject Subject
public int GetNumberOfTeachers(String Subject) // Return the number of Teachers who runs the subject Subject
}
List of people will be created:
ListOfPeople list = new ListOfPeople();
Input data will be added to the list. The list of Teachers and their number will be printed
System.out.print(list.getTeachers());
System.out.println(list.GetNumberOfTeachers());
The list of People who runs Math will be printed
System.out.print(list.getTeachers("Math"));
The number of Teachers who runs Physics will be printed
System.out.println(list.GetNumberOfTeachers("Physics"));
Input
Each line contains one of two types of people in the next format:
- PersonSurname Name Age
- TeacherSurname Name Age Subject Salary
Output
Print the list of Teachers first. In the next line print the number of Teachers. Then print list of Teachers who runs Math. Then print the number of Teachers who runs Physics.
Input example #1
Person Ivanov Sergey 28 Teacher Petrov Ivan 34 Physics 400 Teacher Babayev Petr 28 Physics 450 Person Lenov Yuriy 21 Teacher Ermolov Kirill 44 Math 400 Teacher Fedoseev Nikita 38 Math 630 Teacher Egorova Dasha 32 Geography 450
Output example #1
Petrov Ivan 34 Physics 400 Babayev Petr 28 Physics 450 Ermolov Kirill 44 Math 400 Fedoseev Nikita 38 Math 630 Egorova Dasha 32 Geography 450 5 Ermolov Kirill 44 Math 400 Fedoseev Nikita 38 Math 630 2