Easiest Solution in Java
Code
# Code
```java []
class Solution {
    public boolean isPossibleToSplit(int[] nums) {
        int[] freq = new int[101];
        for (int value : nums) {
            if (freq[value]++ >= 2)
                return false;
        }
        return true;
    }
}
```
['Array', 'Counting', 'Java']