1. Code an method that takes as input an array of strings and returns an integer value. The method should return the number of strings with length less than or equal to 5 characters.
2. Write the method that takes as input an array of integers and returns a string. The return string must list all the positive integers in the array.
3. Code an method that takes a string as input and returns a boolean value. The method should return true if the input string is a palindrome (reads the same backwards as forwards); false otherwise.

Examples:

Input: "civic"

Return: true