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根据 List 中属性值对 List 去重 #3

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wave-gbt opened this issue Dec 4, 2018 · 0 comments
Open

根据 List 中属性值对 List 去重 #3

wave-gbt opened this issue Dec 4, 2018 · 0 comments

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@wave-gbt
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wave-gbt commented Dec 4, 2018 

lists.stream().collect(collectingAndThen(toCollection(() -> new TreeSet<>(Comparator.comparing(o -> Rmap.getStr(o,"orderId")))),
                ArrayList::new));
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