You can create and use a(n) ____________________ to speed up the searching process significantly.
Fill in the blank(s) with the appropriate word(s).
index
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Fill in the code to complete the following method for checking whether a string is a palindrome.
``` public static boolean isPalindrome(String s) { if (s.length() <= 1) // Base case return true; else if _____________________________ return false; else return isPalindrome(s.substring(1, s.length() - 1)); }``` a. (s.charAt(0) != s.charAt(s.length() - 1)) // Base case b. (s.charAt(0) != s.charAt(s.length())) // Base case c. (s.charAt(1) != s.charAt(s.length() - 1)) // Base case d. (s.charAt(1) != s.charAt(s.length())) // Base case
The \A character is used in a regular expression to look for a match at the beginning of a string.
Answer the following statement true (T) or false (F)