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Update Java集合面试题答案.md #1

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8 changes: 8 additions & 0 deletions Java面试题集结号/Java集合/Java集合面试题答案.md
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Expand Up @@ -139,6 +139,14 @@ while(itr.hasNext()) {
}
}
```
第三种，removeIf方法
```
List<Integer> list = new ArrayList<>();
list.add(9);
list.add(0);
list.removeIf(n->(n==0));
System.out.println(list.toString());
```

### 8. Java中怎么打印数组？
数组是不能直接打印的哈，如下:
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