Create a class to represent a Infant object that inherits from (extends) the Person class. Use the description provided below in UML. Create a nested class named InfantToy within the Infant class Infant InfantToy //an inner class (non-static) infantToyName: String infantToyRating: int + InfantToy(String, int) + toString() : String Infant (continued) toys : BabyToy [ ] numBabyToys : int Infant() //an Infant with zero InfantToys but array capacity of 10 Infant(String, int, double, double, char, int) //pass values to parent class’s overloaded constructor //Infant cannot have offSpring therefore pass a zero to the parent constructor addInfantToy(String,int) //uses the InfantToy constructor, do not resize array getInfantToyAsString(int) : String //when the index is invalid, return "invalid index "+index getNumInfantToys() : int getInfantToyName(int) : String getInfantToyRating(int) : int getHighestInfantToyRating(): int //should return the highest rating, or 0 if the array is empty printDetails() : void @Override //see NOTE below for formatting toString() : String @Override //see NOTE below for formatting NOTE1: For both the printDetails() and toString() methods include the data from the Passenger class, as well as Person attributes. Format the Infant data as “Infant: Number of Toys: %4d | Infant Toys:\n” followed by the formatted InfantToy String for each toy on its own line as “InfantToy: Toy Name: %20s | Rating %4d\n” NOTE2: In the Infant class do not override the equals method inherited from the Person class NOTE3: In the Infant class do not resize the toys array. The max capacity should remain 10 Hint1: Use super.printDetails() and super.toString() Hint2: InfantToy is immutable (i.e. no setter methods, it’s values cannot be changed) Hint3: InfantToy belongs to Infant only, which is why it is a nested class Hint4: toString() inside the InfantToy should be formatted as “InfantToy: Toy Name: %20s | Rating %4d\n” Hint5: toString() inside the Infant should iterate through toys and append the String returned from each InfantToy

Create a class to represent a Infant object that inherits from (extends) the Person class. Use the description provided below in UML. Create a nested class named InfantToy within the Infant class Infant InfantToy //an inner class (non-static) infantToyName: String infantToyRating: int + InfantToy(String, int) + toString() : String Infant (continued) toys : BabyToy [ ] numBabyToys : int Infant() //an Infant with zero InfantToys but array capacity of 10 Infant(String, int, double, double, char, int) //pass values to parent class’s overloaded constructor //Infant cannot have offSpring therefore pass a zero to the parent constructor addInfantToy(String,int) //uses the InfantToy constructor, do not resize array getInfantToyAsString(int) : String //when the index is invalid, return "invalid index "+index getNumInfantToys() : int getInfantToyName(int) : String getInfantToyRating(int) : int getHighestInfantToyRating(): int //should return the highest rating, or 0 if the array is empty printDetails() : void @Override //see NOTE below for formatting toString() : String @Override //see NOTE below for formatting NOTE1: For both the printDetails() and toString() methods include the data from the Passenger class, as well as Person attributes. Format the Infant data as “Infant: Number of Toys: %4d | Infant Toys:\n” followed by the formatted InfantToy String for each toy on its own line as “InfantToy: Toy Name: %20s | Rating %4d\n” NOTE2: In the Infant class do not override the equals method inherited from the Person class NOTE3: In the Infant class do not resize the toys array. The max capacity should remain 10 Hint1: Use super.printDetails() and super.toString() Hint2: InfantToy is immutable (i.e. no setter methods, it’s values cannot be changed) Hint3: InfantToy belongs to Infant only, which is why it is a nested class Hint4: toString() inside the InfantToy should be formatted as “InfantToy: Toy Name: %20s | Rating %4d\n” Hint5: toString() inside the Infant should iterate through toys and append the String returned from each InfantToy

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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Create a class to represent a Infant object that inherits from (extends) the Person class. Use the description provided below in UML. Create a nested class named InfantToy within the Infant class

Infant

InfantToy //an inner class (non-static)

infantToyName: String
infantToyRating: int

+ InfantToy(String, int)

+ toString() : String

Infant (continued)

toys : BabyToy [ ]
numBabyToys : int

Infant() //an Infant with zero InfantToys but array capacity of 10
Infant(String, int, double, double, char, int) //pass values to parent class’s overloaded constructor

//Infant cannot have offSpring therefore pass a zero to the parent constructor

addInfantToy(String,int) //uses the InfantToy constructor, do not resize array
getInfantToyAsString(int) : String //when the index is invalid, return "invalid index "+index
getNumInfantToys() : int
getInfantToyName(int) : String
getInfantToyRating(int) : int

getHighestInfantToyRating(): int //should return the highest rating, or 0 if the array is empty
printDetails() : void @Override //see NOTE below for formatting
toString() : String @Override //see NOTE below for formatting

NOTE1:

For both the printDetails() and toString() methods include the data from the Passenger class, as well as Person attributes.

Format the Infant data as “Infant: Number of Toys: %4d | Infant Toys:\n” followed by the

formatted InfantToy String for each toy on its own line as “InfantToy: Toy Name: %20s | Rating %4d\n”

NOTE2:

In the Infant class do not override the equals method inherited from the Person class

NOTE3:

In the Infant class do not resize the toys array. The max capacity should remain 10

Hint1: Use super.printDetails() and super.toString()

Hint2: InfantToy is immutable (i.e. no setter methods, it’s values cannot be changed)

Hint3: InfantToy belongs to Infant only, which is why it is a nested class

Hint4: toString() inside the InfantToy should be formatted as “InfantToy: Toy Name: %20s | Rating %4d\n”

Hint5: toString() inside the Infant should iterate through toys and append the String returned from each InfantToy

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