simple java coding

2. Write a program to find the sum of all even numbers in a given range using a method and a loop. Guidelines and Hints: There will be one method to calculate sum taking input as the range of numbers to calculate sum. - There will be another method to check if the given number is even or not. - Use if statement to check if the number is prime then call the sum method. 1. You have to keep adding the value to the sum until all the even numbers in the range are added. - Use the main method to call the sum method and sum method should call the is Prime method. 1. The return type of sum method ? (int or long) 2. The return type of isPrime method? (boolean or int or string)