Integer? []? Achievement = new? Integer[]{ 1，4，5，6，6，7，8，9 }； ? //Results? If you type on the keyboard, you can handle it yourself.
Comparator & lt integer & gtcom=new? Comparator < integer > ()? {
@ Overlay
Public? int？ Comparison (integer? o 1，？ Integer? o2)？ {
//? Todo? Automatically generated? Method? cigarette end
Return? O2-o 1；
}
};
Arrays.sort (scores, com);
for(int？ I: grades)
system . out . println(I)；
}
}