Programmed in Java with recursion please

1. In your main method you should be calling these below methods to test them. -You can pass hard coded values Sum method that will take an integer array and return the sum of all the numbers less than this integer (including this integer) (use recursion) Write a method called search that will take an array of integers and an integer. The method will return the index of the integer in that array or -1 if we do not find the integer. Write a method called sort that will take an array of integers and returns the array sorted in an ascending order