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Java-based LeetCode algorithm problem solutions, regularly updated

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1507\. Reformat Date

Easy

Given a `date` string in the form `Day Month Year`, where:

*   `Day` is in the set `{"1st", "2nd", "3rd", "4th", ..., "30th", "31st"}`.
*   `Month` is in the set `{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}`.
*   `Year` is in the range `[1900, 2100]`.

Convert the date string to the format `YYYY-MM-DD`, where:

*   `YYYY` denotes the 4 digit year.
*   `MM` denotes the 2 digit month.
*   `DD` denotes the 2 digit day.

**Example 1:**

**Input:** date = "20th Oct 2052"

**Output:** "2052-10-20"

**Example 2:**

**Input:** date = "6th Jun 1933"

**Output:** "1933-06-06"

**Example 3:**

**Input:** date = "26th May 1960"

**Output:** "1960-05-26"

**Constraints:**

*   The given dates are guaranteed to be valid, so no error handling is necessary.