java hashmap入参
时间: 2023-08-24 16:09:42 浏览: 48
回答: 在Java中,HashMap的入参是一个键值对,其中键和值可以是任意类型的对象。HashMap的put方法用于向HashMap中添加键值对,语法如下:
```java
HashMap<KeyType, ValueType> map = new HashMap<>();
map.put(key, value);
```
其中,KeyType是键的类型,ValueType是值的类型,key是要添加的键,value是要添加的值。通过put方法可以将键值对添加到HashMap中。
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