EXPLAIN THE CODE BELOW #WILL RATE HIGHLY NEED ASAP public class Customer extends Details{ private String address; private String phoneNum; public Customer(String id, String name, String stall, String product, String lot, String address,String phoneNum) { super(id, name, stall, product, lot); this.address = address; this.phoneNum = phoneNum; } public String getAddress() { return address; } public String getPhoneNum() { return phoneNum; } public void setAddress(String ad) { address = ad; } public void setPhoneNum(String p) { phoneNum = p; } }