I need help writing this code in 'java' :

Write a function that takes a date and time as a String. The function checks whether the entered date is a valid date or not. The function returns the true value if the entered date is the date of its date, and returns the false value if the entered date is incorrect, according to the following conditions:

1. The entered date must be before the current date

2. The image must be submitted by

3. The current date should not exceed 200 years _________________ The code is in this function:

1 public static boolean ksumSubset(String dateString) \{ 2 I/ write your code here 3