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Typology: Exercises
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public class etagere { public int n=0; public final int max=100; public livre livres[]; public livre auteurs[]; public livre titres[]; public int a=0; public int t=0; public int pos[]; public int na=0; public etagere() { livres= new livre[max]; pos=new int[max]; auteurs=new livre[max]; } public void ajouter(livre liv) { livres[n]=liv; n+=1; } public int cherche(String a,String t) { int i; for (i=0;i<n;i++) { if ((livres[i].getauteur()==a)&&(livres [i].gettitre()==t)) { System.out.println("le nombre des pages est :"+livres[i].getnbpages()); return i+1; } } return 0; } public livre getlivre(int p) { return livres[p-1]; } public int[] retun(String a,String t) { int i; for (i=0;i<n;i++) { if ((livres[i].getauteur()==a)&&(livres [i].gettitre()==t)) { pos[na]=i+1; na+=1; } } return pos; } public livre[] aut(String auu) { int i; for (i=0;i<n;i++) { if (livres[i].getauteur()==auu) { auteurs[a]=livres[i]; a+=1; } } return auteurs; } public livre[] tiiit(String tit) { int i; for (i=0;i<n;i++) { if (livres[i].getauteur()==tit) { auteurs[t]=livres[i]; t+=1; } } return titres; } public livre enleverlivre(int p) { livre s=livres[p-1]; livres[p-1]=livres[n-1]; n-=1; return s; } public livre enleverlivre(String a,String t) { int i;livre s; for (i=0;i<n;i++) { if ((livres[i].getauteur()==a)&&(livres [i].gettitre()==t)){ s=livres[i]; livres[i]=livres[n-1]; n-=1; return s; } } return null; } public String toString() { return "nombre de livres est :"+n; } public static void
main(String[] args) { etagere e=new etagere(); etagere e1=new etagere(); livre l = new livre("ka","la"); livre l1 = new livre("kaka","lala"); livre l2 = new livre("kak","lal"); livre ll = new livre ("bla","bla"); livre mm=new livre("mmm","eii"); e.ajouter(l); e.ajouter(l1); e.ajouter(l2); e1.ajouter(ll); e1.ajouter(mm); System.out.println(e1.cherche("mmm","eii")); System.out.println("-------"); System.out.println(e.getlivre(2)); System.out.println("-------"); e.aut("kak"); int i; for (i=0;i<e.a;i++) { System.out.println(e.auteurs[i]); } System.out.println("-------"); for (i=0;i<e.n;i++) { System.out.println(e.livres[i]); } System.out.println("-------"); System.out.println(e.toString()); System.out.println("-------"); System.out.println(e.enleverlivre("kaka","lala")); System.out.println("-------"); for (i=0;i<e.n;i++) { System.out.println(e.livres[i]); } System.out.println(e.toString()); } }