August 1999
OP216 : OBJECT ORIENTED PROGRAMMING

QUESTION 3

Total Marks: 20 Marks

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SUGGESTED SOLUTIONS
for Question 3
The Singapore Football League requires a program to maintain information about the football league. Each team in the league has a name (a character string), a current league position (an integer) and the number of games they have played (an integer).

 
(a) Give a declaration of the class Team which contains
  • The private data items mentioned above;
  • A constructor which takes the team name as a parameter;
  • A method which returns the number of games they have played;
  • A method which returns a pointer to a copy of the team name;
  • A method which returns the teams league position.

 

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(b) A league is a collection of 20 teams. Give a definition of a class League, which contains an array of 20 teams.

 

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(c) Since each team in the league plays each other team, the total number of games played for all teams is an even number. Write a function, called check_fixture, which sums all of the games played by all teams in the league, and returns 0 if it is an even number, or -1 otherwise.

 

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(d) Write a function display_league, which takes an object of type League,prints the names of the teams in that league in descending order of position, from position 1 to 20. You should use a simple sequential search to locate the teams.

 

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