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Merge pull request #769 from ruiHut/hashmap

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#768 issue Java 容器 JDK.1.7 HashMap 扩容源代码描述
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CyC2018 2019-08-18 23:37:20 +08:00 committed by GitHub
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@ -650,7 +650,7 @@ static int indexFor(int h, int length) {
| capacity | table 的容量大小，默认为 16。需要注意的是 capacity 必须保证为 2 的 n 次方。| | capacity | table 的容量大小，默认为 16。需要注意的是 capacity 必须保证为 2 的 n 次方。|
| size | 键值对数量。 | | size | 键值对数量。 |
| threshold | size 的临界值，当 size 大于等于 threshold 就必须进行扩容操作。 | | threshold | size 的临界值，当 size 大于等于 threshold 就必须进行扩容操作。 |
| loadFactor | 装载因子，table 能够使用的比例，threshold = capacity * loadFactor。| | loadFactor | 装载因子，table 能够使用的比例，threshold = (int)(newCapacity * loadFactor)。|
```java ```java
static final int DEFAULT_INITIAL_CAPACITY = 16; static final int DEFAULT_INITIAL_CAPACITY = 16;