Created
May 29, 2019 11:29
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[Awesome lambda ] #Java #Lambda
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| ConcurrentHashMap<String, Long> taskCallCountMap = new ConcurrentHashMap<>(8); | |
| taskCallCountMap.merge(this.currentTaskName, 1L, (a, b) -> a + b); // awosome jdk 1.8 | |
| // 原子性操作，酷毙了 | |
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