Importjava.util.ArrayList;Importjava.util.Collections; Public classCj {ArrayList<Integer>List; Private intJ; Private intK; Public voiddeal () {if(List = =NULL) {List=NewArraylist<integer>(); for(inti=1;i<=200;i++) {list.add (i); }} collections.shuffle (List); } Public voidDraw () {Random R=NewRandom (); intindex =R.nextint (List.size ()); System.out.println ("First Prize is:" +List.get (index)); List.remove (index); for(j=0;j<2;j++){ intindex1=R.nextint (List.size ()); System.out.println ("Second Prize is:" +List.get (index1)); List.remove (INDEX1); } for(k=0;k<3;k++) { intIndex2 =R.nextint (List.size ()); System.out.println (The third prize is: "+List.get (INDEX2)); List.remove (INDEX2); } } Public Static voidMain (string[] args) {//TODO auto-generated Method StubCj C=NewCj (); C.deal (); C.draw (); }}
Sixth Java Job Draw program