public class Plant { protected String plantName; protected String plantCost; public void setPlantName(String userPlantName) { plantName = userPlantName; } public String getPlantName() { return plantName; } public void setPlantCost(String userPlantCost) { plantCost = userPlantCost; } public String getPlantCost() { return plantCost; } public void printInfo() { System.out.println(" Plant name: " + plantName); System.out.println(" Cost: " + plantCost); }}public class Flower extends Plant { private boolean isAnnual; private String colorOfFlowers; public void setPlantType(boolean userIsAnnual) { isAnnual = userIsAnnual; } public boolean getPlantType(){ return isAnnual; } public void setColorOfFlowers(String userColorOfFlowers) { colorOfFlowers = userColorOfFlowers; } public String getColorOfFlowers(){ return colorOfFlowers; } @Override public void printInfo(){ System.out.println(" Plant name: " + plantName); System.out.println(" Cost: " + plantCost); System.out.println(" Annual: " + isAnnual); System.out.println(" Color of flowers: " + colorOfFlowers); }} **Java Code: PlantArrayListExample**This code snippet is an example of a Java program that aims to create an `ArrayList` to store objects representing plants or flowers. Below is the transcribed code with comments explaining the intended actions:```javaimport java.util.StringTokenizer;public class PlantArrayListExample { // TODO: Define a printArrayList method that prints an ArrayList of plant (or flower) objects public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String input; // TODO: Declare an ArrayList called myGarden that can hold objects of type plant // TODO: Declare variables - plantName, plantCost, flowerName, flowerCost, colorOfFlowers, isAnnual input = scnr.next(); while (!input.equals("-1")) { // TODO: Check if input is a plant or flower // Store as a plant object or flower object // Add to the ArrayList myGarden input = scnr.next(); } // TODO: Call the method printArrayList to print myGarden }}```**Explanation**- **Import Statement (Line 1):** The code imports the `StringTokenizer` class from Java's utility package, although not used in this snippet, it might be planned for parsing strings efficiently.- **Class Declaration (Line 3):** The class `PlantArrayListExample` is defined. It likely includes methods and data related to plant objects.- **Main Method (Lines 5-19):** - The main method begins by creating a `Scanner` object `scnr` to read user input. - A `String` variable `input` is declared to receive input values. - A placeholder is present to declare an `ArrayList` called `myGarden`. This list will potentially store plant or flower objects. - Additional placeholder comments suggest the need to declare several variables for storing attributes like `plantName`, `plantCost`, `flowerName`, `flowerCost`, `colorOfFlowers`, and `isAnnual`. - A loop is set to continue taking inputs until the user enters `-1`. Inside this loop, checks will be made to determine if the input corresponds to a plant or a flower, then store it in the `myGarden` ArrayList. - A final comment hints at a method `printArrayList Given a base `Plant` class and a derived `Flower` class, complete `main()` to create an `ArrayList` called `myGarden`. The `ArrayList` should be able to store objects that belong to the `Plant` class or the `Flower` class. Create a method called `printArrayList()`, that uses the `printInfo()` methods defined in the respective classes and prints each element in `myGarden`. The program should read plants or flowers from input (ending with -1), add each `Plant` or `Flower` to the `myGarden` `ArrayList`, and output each element in `myGarden` using the `printInfo()` method.Example: If the input is:```plant Spirea 10flower Hydrangea 30 false lilacflower Rose 6 false whiteplant Mint 4-1```The output is:```Plant 1 Information: Plant name: Spirea Cost: 10Plant 2 Information: Plant name: Hydrangea Cost: 30 Annual: false Color of flowers: lilacPlant 3 Information: Plant name: Rose Cost: 6 Annual: false Color of flowers: whitePlant 4 Information: Plant name: Mint Cost: 4```

Algorithm:Create an empty ArrayList called myGarden to hold Plant or Flower objects.Initialize an…

Answered: Given a base Plant class and a derived…

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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Question

public class Plant {
protected String plantName;
protected String plantCost;

public void setPlantName(String userPlantName) {
plantName = userPlantName;
}

public String getPlantName() {
return plantName;
}

public void setPlantCost(String userPlantCost) {
plantCost = userPlantCost;
}

public String getPlantCost() {
return plantCost;
}

public void printInfo() {
System.out.println(" Plant name: " + plantName);
System.out.println(" Cost: " + plantCost);
}
}

public class Flower extends Plant {

private boolean isAnnual;
private String colorOfFlowers;

public void setPlantType(boolean userIsAnnual) {
isAnnual = userIsAnnual;
}

public boolean getPlantType(){
return isAnnual;
}

public void setColorOfFlowers(String userColorOfFlowers) {
colorOfFlowers = userColorOfFlowers;
}

public String getColorOfFlowers(){
return colorOfFlowers;
}

@Override
public void printInfo(){
System.out.println(" Plant name: " + plantName);
System.out.println(" Cost: " + plantCost);
System.out.println(" Annual: " + isAnnual);
System.out.println(" Color of flowers: " + colorOfFlowers);
}
}

**Java Code: PlantArrayListExample**

This code snippet is an example of a Java program that aims to create an `ArrayList` to store objects representing plants or flowers. Below is the transcribed code with comments explaining the intended actions:

```java
import java.util.StringTokenizer;

public class PlantArrayListExample {
// TODO: Define a printArrayList method that prints an ArrayList of plant (or flower) objects
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
String input;
// TODO: Declare an ArrayList called myGarden that can hold objects of type plant
// TODO: Declare variables - plantName, plantCost, flowerName, flowerCost, colorOfFlowers, isAnnual
input = scnr.next();
while (!input.equals("-1")) {
// TODO: Check if input is a plant or flower
// Store as a plant object or flower object
// Add to the ArrayList myGarden
input = scnr.next();
}
// TODO: Call the method printArrayList to print myGarden
}
}
```

**Explanation**

- **Import Statement (Line 1):** The code imports the `StringTokenizer` class from Java's utility package, although not used in this snippet, it might be planned for parsing strings efficiently.

- **Class Declaration (Line 3):** The class `PlantArrayListExample` is defined. It likely includes methods and data related to plant objects.

- **Main Method (Lines 5-19):**
- The main method begins by creating a `Scanner` object `scnr` to read user input.
- A `String` variable `input` is declared to receive input values.
- A placeholder is present to declare an `ArrayList` called `myGarden`. This list will potentially store plant or flower objects.
- Additional placeholder comments suggest the need to declare several variables for storing attributes like `plantName`, `plantCost`, `flowerName`, `flowerCost`, `colorOfFlowers`, and `isAnnual`.
- A loop is set to continue taking inputs until the user enters `-1`. Inside this loop, checks will be made to determine if the input corresponds to a plant or a flower, then store it in the `myGarden` ArrayList.
- A final comment hints at a method `printArrayList

Given a base `Plant` class and a derived `Flower` class, complete `main()` to create an `ArrayList` called `myGarden`. The `ArrayList` should be able to store objects that belong to the `Plant` class or the `Flower` class. Create a method called `printArrayList()`, that uses the `printInfo()` methods defined in the respective classes and prints each element in `myGarden`. The program should read plants or flowers from input (ending with -1), add each `Plant` or `Flower` to the `myGarden` `ArrayList`, and output each element in `myGarden` using the `printInfo()` method.

Example: If the input is:

```
plant Spirea 10
flower Hydrangea 30 false lilac
flower Rose 6 false white
plant Mint 4
-1
```

The output is:

```
Plant 1 Information:
Plant name: Spirea
Cost: 10

Plant 2 Information:
Plant name: Hydrangea
Cost: 30
Annual: false
Color of flowers: lilac

Plant 3 Information:
Plant name: Rose
Cost: 6
Annual: false
Color of flowers: white

Plant 4 Information:
Plant name: Mint
Cost: 4
```

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