String, StringBuilder, and Wrapper Classes Java

String, StringBuilder, and Wrapper Classes Please complete the following using the showinputDialog and showMessageDialog methods in the JOptionPane class in the javax.swing library Use the String Tokenizer class in the java.util library to isolate tokens in a string wherever there is a blank using the nextToken method, and the parseDouble method in the Double wrapper class to get three sides of a triangle and calculate the area of the triangle. Here's an example: StringTokenizer st1 new StringTokenizer (input1, " ") double a Double.parseDouble (st1.nextToken ()) Use Heron's Formula: Area of triangle sqrt(p*(p-a)*(p-b)*(p-c) where p (atb+c)/2 If the sum of any two sides is equal to or less than the third side, please put the message "Invalid triangle" ? Entet the lesgths of the sides of a trlaglr levelic tlangle ? Eiter the lengths of the sices of a triangle: Cancel Use the reverse and equalslgnoreCase methods in the String Builder class to get a string, and then determine of it is a palindrome. A palindrome is a string that, if read frontwards and backwards, is the same. 1. Enter a palindrome abecsA is a pelncro Using the indexOf method in the String class, determine if a search string is contained inside a string to search. If so, please report the position of the search string. If the search string is not found, please indicate that the search string was not found. ? Erter a string to search Now. eser a search p w Sound at poson 18 OK Cancel Cance Ester a stg to search 2 New.echer a seasch Searct sng bt found Cascel Using the parselnt method with a radix of 16 argument in the Integer wrapper class, request a hex value and convert it to a decimal value