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Class java.lancs.GroupOfPeople 

java.lang.Object
   |
   +----java.lancs.GroupOfPeople
public class GroupOfPeople
extends Object
represents a group of people's surnames, ages and salaries

Constructor Index

o GroupOfPeople()
constructor sets the number of people in the group to zero

Method Index

o addSurname(String)
adds a surname to those held
o getAge(int)
extracts one of the ages held
o getCount()
returns number of surnames held
o getSalary(int)
extracts one of the salaries held
o getSurname(int)
extracts one of the surnames held
o setAge(int, int)
inserts an age among those held
o setSalary(int, int)
inserts a salary among those held

Constructors

o GroupOfPeople 
 public GroupOfPeople()
constructor sets the number of people in the group to zero

Methods

o getCount 
 public int getCount()
returns number of surnames held

Returns:
the number of surnames
o addSurname 
 public void addSurname(String s) throws Exception
adds a surname to those held

Parameters:
s - the surname to add
Throws: Exception
thrown if there are too many surnames
o setAge 
 public void setAge(int i,
                    int a) throws Exception
inserts an age among those held

Parameters:
i - the age number (0 <= i < number of surnames)
s - the age to add
Throws: Exception
thrown if the argument is out of range
o setSalary 
 public void setSalary(int i,
                       int s) throws Exception
inserts a salary among those held

Parameters:
i - the salary number (0 <= i < number of surnames)
s - the salary to add
Throws: Exception
thrown if the argument is out of range
o getSurname 
 public String getSurname(int i) throws Exception
extracts one of the surnames held

Parameters:
i - the surname number (0 <= i < number of surnames)
Returns:
the specified surname
Throws: Exception
thrown if the argument is out of range
o getAge 
 public int getAge(int i) throws Exception
extracts one of the ages held

Parameters:
i - the age number (0 <= i < number of surnames)
Returns:
the specified age
Throws: Exception
thrown if the argument is out of range
o getSalary 
 public int getSalary(int i) throws Exception
extracts one of the salaries held

Parameters:
i - the salary number (0 <= i < number of surnames)
Returns:
the specified salary
Throws: Exception
thrown if the argument is out of range 
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