CSC160 Assignment 2 solved

CSC160 Assignment 2 solved

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Write a Fraction class that implements these methods:

  • add — This method receives a Fraction parameter and adds the parameter fraction to the calling object fraction.

  • multiply — This method receives a Fraction parameter and multiplies the parameter fraction by the calling object fraction.

  • print — This method prints the fraction using fraction notation (1/4, 21/14, etc.)

  • printAsDouble — This method prints the fraction as a double (0.25, 1.5, etc.)

  • Separate accessor methods for each instance variable (numerator, denominator) in the Fraction class

Provide a driver class (FractionDemo) that demonstrates this Fraction class. The driver class should contain this main method:

java
public static void main(String[] args)  
{  
    Scanner stdIn = new Scanner(System.in);  
    Fraction c, d, x; // Fraction objects  

    System.out.println("Enter numerator; then denominator.");  
    c = new Fraction(stdIn.nextInt(), stdIn.nextInt());  
    c.print();  

    System.out.println("Enter numerator; then denominator.");  
    d = new Fraction(stdIn.nextInt(), stdIn.nextInt());  
    d.print();  

    x = new Fraction(); // create a fraction for number 0  
    System.out.println("Sum:");  
    x.add(c).add(d);  
    x.print();  
    x.printAsDouble();  

    x = new Fraction(1, 1); // create a fraction for number 1  
    System.out.println("Product:");  
    x.multiply(c).multiply(d);  
    x.print();  
    x.printAsDouble();  
}
x.print();
x.printAsDouble();

System.out.println("Enter numerator; then denominator.");
x = new Fraction(stdIn.nextInt(), stdIn.nextInt());
x.printAsDouble();
} // end main

Notes:

  • The driver does not call the accessor methods, but they should still be implemented for future use.

  • Accessor methods (getNumerator() and getDenominator()) are useful for encapsulation and flexibility.

Sample Session:

Enter numerator; then denominator.
5
8
5/8
Enter numerator; then denominator.
4
10
4/10
Sum:
82/80
1.025
Product:
20/80
0.25
Enter numerator; then denominator.
6
0
infinity

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