349.最后返回数组添加另一种写法,更多人容易理解看懂
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@ -137,8 +137,18 @@ class Solution {
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resSet.add(i);
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}
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}
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//将结果几何转为数组
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//方法1:直接将结果几何转为数组
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return resSet.stream().mapToInt(x -> x).toArray();
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//方法2:另外申请一个数组存放setRes中的元素,最后返回数组
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int[] arr = new int[setRes.size()];
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int j = 0;
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for(int i : setRes){
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arr[j++] = i;
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}
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return arr;
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}
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}
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```
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@ -423,3 +433,4 @@ C#:
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<a href="https://programmercarl.com/other/kstar.html" target="_blank">
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<img src="../pics/网站星球宣传海报.jpg" width="1000"/>
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</a>
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