Aula 02 - Exercícios

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Projeto de Software / Programação 3 
Exercício: escrevendo um programa em Java 
Márcio Ribeiro 
marcio@ic.ufal.br 
twitter.com/marciomribeiro 
Exercise	
  
3 
Elec*on	
  
§  Write	
  an	
  elec*on	
  program	
  with	
  the	
  following	
  requirements:	
  
§  There	
  are	
  two	
  par*es:	
  PSDB	
  (45)	
  and	
  PMDB	
  (15)	
  
§  Votes	
  for	
  45	
  and	
  15	
  are	
  considered	
  valid;	
  for	
  other	
  numbers,	
  they	
  
are	
  considered	
  null	
  
§  If	
  the	
  number	
  of	
  null	
  votes	
  is	
  greater	
  than	
  50%	
  of	
  the	
  valid	
  ones,	
  
there	
  is	
  no	
  winner:	
  the	
  elec*on	
  is	
  cancelled	
  
§  Input:	
  
•  Number	
  of	
  voters	
  and	
  votes	
  for	
  each	
  party	
  
§  Output:	
  
•  If	
   exists,	
   the	
  winner	
   party	
   (and	
   its	
   number);	
   otherwise,	
   inform	
   that	
  
the	
  elec>on	
  has	
  been	
   cancelled.	
  Also,	
  print	
   the	
  number	
  of	
   votes	
  of	
  
each	
  party	
  and	
  null	
  votes	
  
§  Discuss	
  with	
  your	
  friends	
  on	
  how	
  to	
  improve	
  each	
  other’s	
  code	
  
Notes	
  
5 
Notes	
  
§  Constants	
  
	
  
§  Documenta*on	
  
§  Java	
  code	
  conven*on	
  
	
  
§  Choose	
  only	
  one	
  language	
  (prefer	
  english)