Cria um com os parametros que você quer (idade, altura..) e criar outro sem paramentros, quando você for criar um objeto dependendo dos valares iniciais que você colocar no argumento, será usado um ou outro construtor, se você vc não colocar nada por exemplo, será usado o segundo construtor.
Aluno a = new Aluno(); // será usado o segundo construtor. Em 8 de abril de 2010 15:47, Peter P. Lupo <[email protected]> escreveu: > Obrigado. Que o seu exemplo sirva a outros com dúvidas. > Perguntem! :-) > > Abraço > > Peter P. Lupo > http://craftnicely.blogspot.com - http://sites.google.com/site/pplupo > MPS.BR Authorized Implementation Practitioner - Certified ScrumMaster > Sun Certified Java Associate - Java Brown Belt > +55 (021) 81742487 > > > 2010/4/8 Daniel Daim <[email protected]> > >> Queria agradecer aos monitores e ao professor pela ajuda. Já conclui e >> enviei minha lista de exercícios para email dos trabalhos. >> >> >> 2010/4/8 Peter P. Lupo <[email protected]> >> >>> hmm... eu não entendi a relação de uma coisa com a outra. >>> >>> Construtores servem pra fazer inicializações na classe. >>> >>> Variáveis private servem para impedir que os valores sejam >>> acessados/modificados diretamente de fora da classe. >>> >>> Pode explicar um pouco melhor sua dúvida, por favor? >>> >>> Abraço >>> >>> Peter P. Lupo >>> http://craftnicely.blogspot.com - http://sites.google.com/site/pplupo >>> MPS.BR Authorized Implementation Practitioner - Certified ScrumMaster >>> Sun Certified Java Associate - Java Brown Belt >>> +55 (021) 81742487 >>> >>> >>> 2010/4/8 Renan Machado <[email protected]> >>> >>>> pra que fazer construtores se as variáveis de instância tem que ser >>>> >>>> private ? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Comp 2 - Geral" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]<comp2-geral%[email protected]> >>>> . >>>> For more options, visit this group at >>>> http://groups.google.com/group/comp2-geral?hl=en. >>>> >>>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Comp 2 - Geral" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<comp2-geral%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/comp2-geral?hl=en. >>> >> >> >> >> -- >> Daniel Daim L. de Araujo >> Diretoria de Treinamento e Recursos Humanos >> >> EJCM – Empresa Júnior de Consultoria em Microinformática >> Departamento de Ciência da Computação – UFRJ >> www.ejcm.com.br - (21) 2598-9440 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Comp 2 - Geral" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<comp2-geral%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/comp2-geral?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Comp 2 - Geral" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<comp2-geral%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/comp2-geral?hl=en. > -- You received this message because you are subscribed to the Google Groups "Comp 2 - Geral" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/comp2-geral?hl=en.
