# 3.12 and # 3.13

use netbeans

be them? 3.9 out importing it. 3.10 an instance variable. hg without first importing (Using a Clas without Importing lo) Explain how a program could use cass Scanner with- (set and get Methods) Explain why a class might provide a set method and a get method for (Modified Account Clas) Modify class Account (Fig, 3.8) to provide a method called with- 3.11 draw that withdraws money from an Account. Ensure that the withdrawal amount does not exceed he Account's balance. If it does, the balance should be left unchanged and the method should print message indicating "withdrawal amount exceeded account balance. Modify class AccountTest Fig. 3.9) to test method withdraw. 2 (Invoice Class) Create a class called Invoice that a hardware store might use to represent voice for an item sold at the store. An Invoice should include four pieces of information as an