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Jul 5, 2019 Replied to a topic by wang2018 › 程序员 › 程序猿创业，干点啥好，认真的，大家有没有什么建议或者有没有想一起干点什么的？ |
捡垃圾吧，最近挺火的。认真脸，，，
Feb 12, 2019 Replied to a topic by SuperHzw › Java › 小白请教一下 JDK8 Lambda 表达式问题 |
isEmpty() 还是有可能 NPE 啊
Jan 25, 2019 Replied to a topic by 11wangyaoda › 职场话题 › [理性讨论]国内何时才能免除 996 |
看了这帖子的回复，就晓得为啥 996 越来越普遍
Jan 25, 2019 Replied to a topic by mawerss1 › Java › 请教大家 java8 stream 的问题 |
Map<String, TotalResult> map = blames.stream().collect(
Collectors.toMap(
Blame::getName,
blame -> new TotalResult(blame.getName(), 0, 0, blame.getRows(), null),
(tr1, tr2) -> {
tr1.setRows(tr1.getRows() + tr2.getRows());
return tr1;
}, HashMap::new));
List<TotalResult> results = new ArrayList<>(map.values());
Collectors.toMap(
Blame::getName,
blame -> new TotalResult(blame.getName(), 0, 0, blame.getRows(), null),
(tr1, tr2) -> {
tr1.setRows(tr1.getRows() + tr2.getRows());
return tr1;
}, HashMap::new));
List<TotalResult> results = new ArrayList<>(map.values());
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