public static void main ( String args ) Wallet w 0 new Wallet ( ) Wallet w 1 new Wallet ( 1 , 2 , 3 , 4 ) int value System out println ( w 0 ) w 0 printContents ( ) value w 0 getValue ( ) System out println ( value value ) System out println ( w 1 ) w 1 printContents ( ) value w 1 getValue ( ) System out println ( value value ) System out println ( adding $ 5 0 to w 0 ) w 0 add ( 2 , 1 , 0 , 0 ) System out println ( w 0 ) w 0 printContents ( ) value w 0 getValue ( ) System out println ( value value ) System out print ( Comparing w 0 and w 1 ) w 0 compare ( w 1 ) System out println ( Adding $ 9 to w 0 ) w 0 add ( 0 , 0 , 1 , 4 ) System out println ( w 0 ) w 0 printContents ( ) value w 0 getValue ( ) System out println ( value value ) System out print ( Comparing w 0 and w 1 ) w 0 compare ( w 1 ) System out println ( Adding $ 1 to w 0 ) w 0 add ( 0 , 0 , 0 , 1 ) System out println ( w 0 ) w 0 printContents ( ) value w 0 getValue ( ) System out println ( value value ) System out print ( Comparing w 0 and w 1 ) w 0 compare ( w 1 ) System out println ( Adding contents of w 1 into w 0 ) w 0 add ( w 1 ) System out println ( w 0 ) w 0 printContents ( ) value w 0 getValue ( ) System out println ( value value ) System out println ( w 1 ) w 1 printContents ( ) value w 1 getValue ( ) System out println ( value value ) System out println ( Creating a new Wallet ) Wallet w 2 new Wallet ( 5 , 4 , 3 , 2 ) System out println ( w 2 ) w 2 printContents ( ) value w 2 getValue ( ) System out println ( value value ) System out println ( Subtracting $ 2 1 0 ) w 2 w 2 subtract ( 2 1 0 ) System out println ( w 2 ) w 2 printContents ( ) value w 2 getValue ( ) System out println ( value value ) System out println ( Oops , let's try $ 1 2 0 ) w 2 w 2 subtract ( 1 2 0 ) System out println ( w 2 ) w 2 printContents ( ) value w 2 getValue ( ) System out println ( value value ) System out println ( Subtracting $ 1 4 ) w 2 w 2 subtract ( 1 4 ) System out println ( w 2 ) w 2 printContents ( ) value w 2 getValue ( ) System out println ( value value ) OUTPUT w 0 twenties 0 , tens 0 , fives 0 , ones 0 value 0 w 1 twenties 1 , tens 2 , fives 3 , ones 4 value 5 9 adding $ 5 0 to w 0 w 0 twenties 2 , tens 1 , fives 0 , ones 0 value 5 0 Comparing w 0 and w 1 IS LESS THANAdding $ 9 to w 0 w 0 twenties 2 , tens 1 , fives 1 , ones 4 value 5 9 Comparing w 0 and w 1 IS EQUAL TOAdding $ 1 to w 0 w 0 twenties 2 , tens 1 , fives 1 , ones 5 value 6 0 Comparing w 0 and w 1 IS GREATER THANAdding contents of w 1 into w 0 w 0 twenties 3 , tens 3 , fives 4 , ones 9 value 1 1 9 w 1 twenties 0 , tens 0 , fives 0 , ones 0 value 0 Creating a new Walletw 2 twenties 5 , tens 4 , fives 3 , ones 2 value 1 5 7 Subtracting $ 2 1 0 Insufficient funds purchase denied w 2 twenties 5 , tens 4 , fives 3 , ones 2 value 1 5 7 Oops, let's try $ 1 2 0 w 2 twenties 1 , tens 1 , fives 1 , ones 2 value 3 7 Subtracting $ 1 4 w 2 twenties 1 , tens 0 , fives 0 , ones 3 value 2 3

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Question: public static void main ( String args [ ] ) { Wallet w 0 = new Wallet ( ) ; Wallet w 1 = new

public static void main

(

String args

[]) {

Wallet w

0 =

new Wallet

()

; Wallet w

1 =

new Wallet

(1, 2, 3, 4)

; int value; System.out.println

("

0

")

; w

0 .

printContents

()

; value

=

0 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

1

")

; w

1 .

printContents

()

; value

=

1 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

adding $

50

to w

0 ")

; w

0 .

add

(2, 1, 0, 0)

; System.out.println

("

0

")

; w

0 .

printContents

()

; value

=

0 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.print

("

Comparing w

0

and w

1

")

; w

0 .

compare

(

1)

; System.out.println

("

Adding $

9

to w

0 ")

; w

0 .

add

(0, 0, 1, 4)

; System.out.println

("

0

")

; w

0 .

printContents

()

; value

=

0 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.print

("

Comparing w

0

and w

1

")

; w

0 .

compare

(

1)

; System.out.println

("

Adding $

1

to w

0 ")

; w

0 .

add

(0, 0, 0, 1)

; System.out.println

("

0

")

; w

0 .

printContents

()

; value

=

0 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.print

("

Comparing w

0

and w

1

")

; w

0 .

compare

(

1)

; System.out.println

("

Adding contents of w

1

into w

0 ")

; w

0 .

add

(

1)

; System.out.println

("

0

")

; w

0 .

printContents

()

; value

=

0 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

1

")

; w

1 .

printContents

()

; value

=

1 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

Creating a new Wallet"

)

; Wallet w

2 =

new Wallet

(5, 4, 3, 2)

; System.out.println

("

2

")

; w

2 .

printContents

()

; value

=

2 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

Subtracting $

210 ")

; w

2 =

2 .

subtract

(210)

; System.out.println

("

2

")

; w

2 .

printContents

()

; value

=

2 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

Oops

,

let's try $

120 ")

; w

2 =

2 .

subtract

(120)

; System.out.println

("

2

")

; w

2 .

printContents

()

; value

=

2 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

; System.out.println

("

Subtracting $

14 ")

; w

2 =

2 .

subtract

(14)

; System.out.println

("

2

")

; w

2 .

printContents

()

; value

=

2 .

getValue

()

; System.out.println

("

value

= " +

value

+ "

")

;

}} =

OUTPUT

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

0

:twenties

= 0,

tens

= 0,

fives

= 0,

ones

= 0

value

= 0

1

:twenties

= 1,

tens

= 2,

fives

= 3,

ones

= 4

value

= 59

adding $

50

to w

0

0

:twenties

= 2,

tens

= 1,

fives

= 0,

ones

= 0

value

= 50

Comparing w

0

and w

1

: IS LESS THANAdding $

9

to w

0

0

:twenties

= 2,

tens

= 1,

fives

= 1,

ones

= 4

value

= 59

Comparing w

0

and w

1

: IS EQUAL TOAdding $

1

to w

0

0

:twenties

= 2,

tens

= 1,

fives

= 1,

ones

= 5

value

= 60

Comparing w

0

and w

1

: IS GREATER THANAdding contents of w

1

into w

0

0

:twenties

= 3,

tens

= 3,

fives

= 4,

ones

= 9

value

= 119

1

:twenties

= 0,

tens

= 0,

fives

= 0,

ones

= 0

value

= 0

Creating a new Walletw

2

:twenties

= 5,

tens

= 4,

fives

= 3,

ones

= 2

value

= 157

Subtracting $

210

Insufficient funds

-

purchase denied.w

2

:twenties

= 5,

tens

= 4,

fives

= 3,

ones

= 2

value

= 157

Oops, let's try $

120

2

:twenties

= 1,

tens

= 1,

fives

= 1,

ones

= 2

value

= 37

Subtracting $

14

2

:twenties

= 1,

tens

= 0,

fives

= 0,

ones

= 3

value

= 23

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