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krahets
2023-02-07 17:17:14 +08:00
parent ecbf2d1560
commit 1ca5c731f7
19 changed files with 501 additions and 192 deletions
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build/chapter_array_and_linkedlist/array.md
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@@ -122,6 +122,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
// 在区间 [0, nums.length) 中随机抽取一个数字
int randomIndex = ThreadLocalRandom.current().
nextInt(0, nums.length);
// 获取并返回随机元素
int randomNum = nums[randomIndex];
return randomNum;
}
@@ -417,7 +418,7 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
// 将 num 赋给 index 处元素
nums[index] = num;
}
/* 删除索引 index 处元素 */
void remove(int[] nums, int index) {
// 把索引 index 之后的所有元素向前移动一位