Solution (leetcode-in-java 1.21 API)

java.lang.Object
- g0901_1000.s0914_x_of_a_kind_in_a_deck_of_cards.Solution

```
public class Solution
extends Object
```
914 - X of a Kind in a Deck of Cards.
Easy

In a deck of cards, each card has an integer written on it.

Return true if and only if you can choose X >= 2 such that it is possible to split the entire deck into 1 or more groups of cards, where:
- Each group has exactly X cards.
- All the cards in each group have the same integer.
Example 1:

Input: deck = [1,2,3,4,4,3,2,1]

Output: true

Explanation: Possible partition [1,1],[2,2],[3,3],[4,4].

Example 2:

Input: deck = [1,1,1,2,2,2,3,3]

Output: false

Explanation: No possible partition.

Constraints:
- 1 <= deck.length <= 10⁴
- 0 <= deck[i] < 10⁴

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Solution()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean hasGroupsSizeX(int[] deck)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Solution
```
public Solution()
```

Method Detail

hasGroupsSizeX

public boolean hasGroupsSizeX(int[] deck)