$10\mathrm{.}15$ LAB: Instrument information $($derived classes$)$

Given main$()$ and the Instrument class, define a derived class, StringInstrument, 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

my code

public class StringInstrument extends Instrument $\{$

private int numOfStrings;

private int numOfFrets;

private boolean isBowed;

public void setNumOfStrings$($int num$)\{$

numOfStrings $=$ num;

$\}$

public void setNumOfFrets$($int num$)\{$

numOfFrets $=$ num;

$\}$

public void setIsBowed$($boolean bowed$)\{$

isBowed $=$ bowed;

$\}$

public int getNumOfStrings$()\{$

return numOfStrings;

$\}$

public int getNumOfFrets$()\{$

return numOfFrets;

$\}$

public boolean getIsBowed$()\{$

return isBowed;

$\}$

@Override

public void printInfo$()\{$

super.printInfo$()$;

System.out.println$("$Number of strings: $"+$ numOfStrings$)$;

System.out.println$("$Number of frets: $"+$ numOfFrets$)$;

System.out.println$("$Is bowed: $"+$ isBowed$)$;

$\}$

$\}$

Current file: Stringlnstrument.java

When done developing your program, press the Submit for grading button below. This will

submit your program for auto$-$grading. wvalle: Drulls

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: falsew

Number of strings: $6$

Number of frets: $19$

Is bowed: false