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Write a driver class that: 1. Creates a Store object which data are given by the programmer (Not from the user). 2. Adds to the Store object two AC devices and two DC devices (data are given by the programmer). 3. Prints the DC devices that have power consumption less than 20 W. 4. Prints all AC devices in the store with frequency 60HZ. java.util.ArrayList +ArrayList() +add(o: E): void +add(index: int, o: E): void +clear(): void +contains(o: Object): boolean +get(index: int): E +indexOf(o: Object): int +isEmpty(): boolean +lastIndexOf(o: Object): int +remove(o: Object): boolean +size(): int +remove(index: int): boolean +set(index: int, o: E): E

Write a driver class that: 1. Creates a Store object which data are given by the programmer (Not from the user). 2. Adds to the Store object two AC devices and two DC devices (data are given by the programmer). 3. Prints the DC devices that have power consumption less than 20 W. 4. Prints all AC devices in the store with frequency 60HZ. java.util.ArrayList +ArrayList() +add(o: E): void +add(index: int, o: E): void +clear(): void +contains(o: Object): boolean +get(index: int): E +indexOf(o: Object): int +isEmpty(): boolean +lastIndexOf(o: Object): int +remove(o: Object): boolean +size(): int +remove(index: int): boolean +set(index: int, o: E): E

Database System Concepts
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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What is the solution for this question (using java language)
Write a driver class that: 1. Creates a Store object which data are given by the programmer (Not from the user). 2. Adds to the Store object two AC devices and two DC devices (data are given by the programmer). 3. Prints the DC devices that have power consumption less than 20 W. 4. Prints all AC devices in the store with frequency 60Hz. java.util.ArrayList<E> +ArrayList() +add(o: E): void +add(index: int, o: E): void +clear(): void +contains(o: Object): boolean +get(index: int): E +indexOf(o: Object): int +isEmpty(): boolean +lastIndexOf(o: Object): int +remove(o: Object): boolean +size(): int +remove(index: int): boolean +set(index: int, o: E): E
Transcribed Image Text:Write a driver class that: 1. Creates a Store object which data are given by the programmer (Not from the user). 2. Adds to the Store object two AC devices and two DC devices (data are given by the programmer). 3. Prints the DC devices that have power consumption less than 20 W. 4. Prints all AC devices in the store with frequency 60Hz. java.util.ArrayList<E> +ArrayList() +add(o: E): void +add(index: int, o: E): void +clear(): void +contains(o: Object): boolean +get(index: int): E +indexOf(o: Object): int +isEmpty(): boolean +lastIndexOf(o: Object): int +remove(o: Object): boolean +size(): int +remove(index: int): boolean +set(index: int, o: E): E
Store # name: String lexample: James Electronics # address: String example: Beirut/Hamra # devices: ArrayList<Device> Device # name: String # price: doube #voltage: double #amp: double + Device (all arguments) + toString() : String + getters & Setters + power(): double + Store (name: String, address: String) + addDevice(d: device): void + getDevices(): ArrayList<Device> + toString() : String AC DC |- frequency: int + AC (all arguments) + toString() : String -batteryArrangement: int 0 for serial, 1 for parallel - batteryCount: int + DC (all arguments) + toString() : String
Transcribed Image Text:Store # name: String lexample: James Electronics # address: String example: Beirut/Hamra # devices: ArrayList<Device> Device # name: String # price: doube #voltage: double #amp: double + Device (all arguments) + toString() : String + getters & Setters + power(): double + Store (name: String, address: String) + addDevice(d: device): void + getDevices(): ArrayList<Device> + toString() : String AC DC |- frequency: int + AC (all arguments) + toString() : String -batteryArrangement: int 0 for serial, 1 for parallel - batteryCount: int + DC (all arguments) + toString() : String
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