import java.util.Scanner; public class InstrumentInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); Instrument myInstrument = new Instrument(); StringInstrument myStringInstrument = new StringInstrument(); String instrumentName, manufacturerName, stringInstrumentName, stringManufacturer; int yearBuilt, cost, stringYearBuilt, stringCost, numStrings, numFrets; boolean bowed; instrumentName = scnr.nextLine(); manufacturerName = scnr.nextLine(); yearBuilt = scnr.nextInt(); scnr.nextLine(); cost = scnr.nextInt(); scnr.nextLine(); stringInstrumentName = scnr.nextLine(); stringManufacturer = scnr.nextLine(); stringYearBuilt = scnr.nextInt(); stringCost = scnr.nextInt(); numStrings = scnr.nextInt(); numFrets = scnr.nextInt(); bowed = scnr.nextBoolean(); myInstrument.setName(instrumentName); myInstrument.setManufacturer(manufacturerName); myInstrument.setYearBuilt(yearBuilt); myInstrument.setCost(cost); myInstrument.printInfo(); myStringInstrument.setName(stringInstrumentName); myStringInstrument.setManufacturer(stringManufacturer); myStringInstrument.setYearBuilt(stringYearBuilt); myStringInstrument.setCost(stringCost); myStringInstrument.setNumOfStrings(numStrings); myStringInstrument.setNumOfFrets(numFrets); myStringInstrument.setIsBowed(bowed); myStringInstrument.printInfo(); System.out.println(" Number of strings: " + myStringInstrument.getNumOfStrings()); System.out.println(" Number of frets: " + myStringInstrument.getNumOfFrets()); System.out.println(" Is bowed: " + myStringInstrument.getIsBowed()); } }

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter10: Introduction To Inheritance

Section: Chapter Questions

Problem 20RQ

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Related questions

Question

import java.util.Scanner;

public class InstrumentInformation {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);

Instrument myInstrument = new Instrument();
StringInstrument myStringInstrument = new StringInstrument();

String instrumentName, manufacturerName, stringInstrumentName, stringManufacturer;
int yearBuilt, cost, stringYearBuilt, stringCost, numStrings, numFrets;
boolean bowed;

instrumentName = scnr.nextLine();
manufacturerName = scnr.nextLine();
yearBuilt = scnr.nextInt();
scnr.nextLine();
cost = scnr.nextInt();
scnr.nextLine();
stringInstrumentName = scnr.nextLine();
stringManufacturer = scnr.nextLine();
stringYearBuilt = scnr.nextInt();
stringCost = scnr.nextInt();
numStrings = scnr.nextInt();
numFrets = scnr.nextInt();
bowed = scnr.nextBoolean();

myInstrument.setName(instrumentName);
myInstrument.setManufacturer(manufacturerName);
myInstrument.setYearBuilt(yearBuilt);
myInstrument.setCost(cost);
myInstrument.printInfo();

myStringInstrument.setName(stringInstrumentName);
myStringInstrument.setManufacturer(stringManufacturer);
myStringInstrument.setYearBuilt(stringYearBuilt);
myStringInstrument.setCost(stringCost);
myStringInstrument.setNumOfStrings(numStrings);
myStringInstrument.setNumOfFrets(numFrets);
myStringInstrument.setIsBowed(bowed);
myStringInstrument.printInfo();

System.out.println(" Number of strings: " + myStringInstrument.getNumOfStrings());
System.out.println(" Number of frets: " + myStringInstrument.getNumOfFrets());
System.out.println(" Is bowed: " + myStringInstrument.getIsBowed());
}
}

Current file: String Instrument.java,
1 // TODO: Define a class: String Instrument that is derived from the Instrument class
2 public class Instrument {
3 public class String Instrument extends Instrument {
4
// TODO: Declare private fields
5 private {
6
7
8
9
10
11
13
14
setNumOfStrings (int);
setNumOfFrets (int);
setIsBowed (bool);
}
12 getIsBowed();
15
16
17 }
getNumofString();
getNumoffrets();
// TODO: Define mutator methods -
setNumOfStrings (), set NumOffrets (), setIsBowed()
// TODO: Define accessor methods
//
getNumOfStrings (), getNumOfFrets(), getIsBowed()

Given main() and the Instrument class, define a derived class, String Instrument, with methods to set and get private fields of the
following types:
• int to store the number of strings
• int to store the number of frets
• boolean to store whether the instrument is bowed
Ex. If the input is:
Drums
Zildjian
2015
2500
Guitar
Gibson
2002
1200
6
19
false
the output is:
Instrument Information:
Name: Drums
Manufacturer: Zildjian
Year built: 2015
Cost: 2500
Instrument Information:
Name: Guitar
Manufacturer: Gibson.
Year built: 2002
Cost: 1200
Number of strings: 6
Number of frets: 19
Is bowed: false

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