java.lang.IllegalArgumentException: Comparison method violates its general contract!異常處理總結

做項目時遇到java.lang.IllegalArgumentException: Comparison method violates its general contract!異常,查閱代碼後發現是用集合類工具Collections對List進行排序時更改Comparator的內部實現時產生異常: Collections.sort(viewData, new Comparator<Mutual
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