publicclassTreeSetExample{publicstaticvoidmain(String[]args){TreeSet<Integer>mTreeSet=newTreeSet<Integer>();mTreeSet.add(63);mTreeSet.add(68);mTreeSet.add(69);mTreeSet.add(65);mTreeSet.add(69);mTreeSet.add(71);mTreeSet.add(71);mTreeSet.add(85);for(Integerinteger:mTreeSet){System.out.print(integer+"");}}}请问程序输出内容（）？
A
A.63 68 69 65 69 71 71 85
