Please solve the programming task below using a self-contained code snippet in a markdown code block.

You are given an integer array nums. You are initially positioned at the array's first index, and each element in the array represents your maximum jump length at that position.
Return true if you can reach the last index, or false otherwise.
 
Please complete the following python code precisely:
```python
class Solution:
    def canJump(self, nums: List[int]) -> bool:
```