Write a class named RetailItem that holds data about an item in a retail store. The class should have the following fields: description. The description field references a String object that holds a brief description of the item. unitsOnHand. The unitsOnHand field is an int variable that holds the number of units currently in inventory. price. The price field is a double that holds the item's retail price. Write a constructor that accepts arguments for each field, appropriate mutator methods that store ●

Question: Your task is to find the number of ways that you can put those brackets in such a way that they will be always balanced after taking the n pair of brackets from the user in Java Language.

write a code in java (using recursion)

Chapter 4 methods can be used to do math calculations and models of engineering and science problems. We describe the maths problem and use the computer to solve it and test it. Can a software on a computer solve math questions and make formulas?