Write the printItem() method for the base class. in Java Sample output for below program: Last name: Smith First and last name: Bill Jone

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write the printItem() method for the base class. in Java

Sample output for below program: Last name: Smith First and last name: Bill Jones

// ===== Code from file BaseItem.java =====
public class BaseItem {
protected String lastName;

public void setLastName(String providedName) {
lastName = providedName;
}

// FIXME: Define printItem() method

/* Your solution goes here */

}
// ===== end =====

// ===== Code from file DerivedItem.java =====
public class DerivedItem extends BaseItem {
private String firstName;

public void setFirstName(String providedName) {
firstName = providedName;
}

@Override
public void printItem() {
System.out.print("First and last name: ");
System.out.println(firstName + " " + lastName);
}
}
// ===== end =====

// ===== Code from file ItemInventory.java =====
import java.util.ArrayList;

public class ItemInventory {
public static void main (String [] args) {
BaseItem baseItemPtr;
DerivedItem derivedItemPtr;
ArrayList<BaseItem> itemList = new ArrayList<BaseItem>();
int i;

baseItemPtr = new BaseItem();
baseItemPtr.setLastName("Smith");

derivedItemPtr = new DerivedItem();
derivedItemPtr.setLastName("Jones");
derivedItemPtr.setFirstName("Bill");

itemList.add(baseItemPtr);
itemList.add(derivedItemPtr);

for (i = 0; i < itemList.size(); ++i) {
itemList.get(i).printItem();
}
}
}
// ===== end =====

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