Class Solution
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- g0201_0300.s0217_contains_duplicate.Solution
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public class Solution extends Object
217 - Contains Duplicate\. Easy Given an integer array `nums`, return `true` if any value appears **at least twice** in the array, and return `false` if every element is distinct. **Example 1:** **Input:** nums = [1,2,3,1] **Output:** true **Example 2:** **Input:** nums = [1,2,3,4] **Output:** false **Example 3:** **Input:** nums = [1,1,1,3,3,4,3,2,4,2] **Output:** true **Constraints:** *1 <= nums.length <= 105*-109 <= nums[i] <= 109
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleancontainsDuplicate(int[] nums)
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