Collections.sort(messageList, new Comparator<MSMessage>() {
@Override
public int compare(MSMessage msMessage1, MSMessage msMessage2) {
long diff = msMessage1.getDate() - msMessage2.getDate();
if (diff > 0) {
return 1;
} else if (diff < 0) {
return -1;
}
return 0;
}
});
list 集合排序
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