Make a java program that facilitates addition, subtraction, multiplication, and division of mixed numbers but this time all of the inputs /outputs may involve fractions, mixed fractions, or a combination. Points to consider: MixedFraction class must override the operations (add, subtract, multiplyBy, divideBy) inherited from Fraction class to have a different implementation if the MixedFraction object will have a Fraction object as parameter in performing the required operation, On top of that, the inherited operations must also be overloaded to allow a MixedFraction object to accept other parameters such as a whole number or another MixedFraction object. The toString method which is inherited must also be overridden by MixedFraction to have a more appropriate return value. Further formatting must also be considered such that if the result of the operation has a zero value for the whole part, the output should only show the fractional part (ex. 0 1/2 should be converted to 1/2), Also, a proper string value is to be returned if the result has a denominator of 1 (ex, 2 0/1 should be converted to 2), toDouble method should also be overridden by MixedFraction. Other notes: UML diagram: https://ufile.io/gtxzjcwf (click the link to see image) The arrow with an arrowhead resembling a triangle signifies that there exists an "is a" relationship between the two classes. The class pointed by the head is the superclass and the other end will be the sub-class. The other arrow signifies that the classes pointed by the arrow will be used by the other class at the other end.

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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Make a java program that facilitates addition, subtraction, multiplication, and division of mixed numbers but this time all of the inputs /outputs may involve fractions, mixed fractions, or a combination.

Points to consider:

  • MixedFraction class must override the operations (add, subtract, multiplyBy, divideBy) inherited from Fraction class to have a different implementation if the MixedFraction object will have a Fraction object as parameter in performing the required operation, On top of that, the inherited operations must also be overloaded to allow a MixedFraction object to accept other parameters such as a whole number or another MixedFraction object.
  • The toString method which is inherited must also be overridden by MixedFraction to have a more appropriate return value. Further formatting must also be considered such that if the result of the operation has a zero value for the whole part, the output should only show the fractional part (ex. 0 1/2 should be converted to 1/2), Also, a proper string value is to be returned if the result has a denominator of 1 (ex, 2 0/1 should be converted to 2),
  • toDouble method should also be overridden by MixedFraction.

Other notes:

  • UML diagram: https://ufile.io/gtxzjcwf (click the link to see image)
  • The arrow with an arrowhead resembling a triangle signifies that there exists an "is a" relationship between the two classes. The class pointed by the head is the superclass and the other end will be the sub-class.
  • The other arrow signifies that the classes pointed by the arrow will be used by the other class at the other end.
Fraction
- numerator: int
- denominator: int
+ Fraction()
+ Fraction(wholeNum Val: int)
+ Fraction(numerator: int, denominator: int)
+ setNumerator(num: int): void
+ getNumerator(): int
+ setDenominator(den: int): void
Fraction Tester
+ getDenominator(): int
+ toString): String
+ toDouble(): double
+ add(other: Fraction): Fraction
+ multiplyBy(other: Fraction): Fraction
l others
main(args: String(): void
/ others (modularize your prognam)
MivedFraction
whole: int
+ MixedFraction()
+ MixedFraction(whole: int, fraction: Fraction)
+ MixedFraction(whole: int, numerator: int, denominator: int)
+ MixedFraction(fraction: Fraction)
+ setWholePart(whole: int): void
+ setFractionPart( fraction: Fraction): void
+ getWhole(): int
+ getFractionPart(): Fraction
+ toFraction(): Fraction
+ add(other: MixedFraction): MixedFraction
+ subtract(other: MixedFraction): MixedFraction
+ multiplyBy(other: MixedFraction): MixedFraction
+ divideBy(other: MixedFraction): MixedFraction
Il others
Transcribed Image Text:Fraction - numerator: int - denominator: int + Fraction() + Fraction(wholeNum Val: int) + Fraction(numerator: int, denominator: int) + setNumerator(num: int): void + getNumerator(): int + setDenominator(den: int): void Fraction Tester + getDenominator(): int + toString): String + toDouble(): double + add(other: Fraction): Fraction + multiplyBy(other: Fraction): Fraction l others main(args: String(): void / others (modularize your prognam) MivedFraction whole: int + MixedFraction() + MixedFraction(whole: int, fraction: Fraction) + MixedFraction(whole: int, numerator: int, denominator: int) + MixedFraction(fraction: Fraction) + setWholePart(whole: int): void + setFractionPart( fraction: Fraction): void + getWhole(): int + getFractionPart(): Fraction + toFraction(): Fraction + add(other: MixedFraction): MixedFraction + subtract(other: MixedFraction): MixedFraction + multiplyBy(other: MixedFraction): MixedFraction + divideBy(other: MixedFraction): MixedFraction Il others
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