Package g0201_0300.s0217_contains_duplicate

Class Solution

java.lang.Object

g0201_0300.s0217_contains_duplicate.Solution

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

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
boolean	containsDuplicate(int[] nums)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

containsDuplicate

public boolean containsDuplicate(int[] nums)