# Map

循环遍历Map的方法正确的是：

## 答案

以上都是

## 选项

### A

```java

for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
    System.out.println("key = " + entry.getKey() + ", value = " + entry.getValue());
}
```

### B

```java

map.forEach((key, value) -> {
    System.out.println(key + ":" + value);
});
```

### C

```java

Iterator<Map.Entry<Integer, Integer>> it = map.entrySet().iterator();
while (it.hasNext()) {
    Map.Entry<Integer, Integer> entry = it.next();
    System.out.println("key = " + entry.getKey() + ", value = " + entry.getValue());
}
```