السلام عليكم ورحمة الله وبركاته
الأعضاء الكرام أطلب منكم مشكورين شرح وظيفة هذين الرمزين في الكلاس الموجود بالأسفل ( : و ? ) ..
Class
public class RationalNumber
{
private int numerator;
private int denominator;
public RationalNumber(int n, int d)
{
numerator=n;
setDenominator(d);
}
public void setNumerator(int n)
{
numerator=n;
}
public int getNumerator()
{
return numerator;
}
public void setDenominator(int d)
{
denominator=((d>0)?d:1);
}
public int getDenominator()
{
return denominator;
}
public RationalNumber add(RationalNumber rn)
{
return new RationalNumber(((getNumerator()*rn.getDenominator())+(rn.getNumerator()*getDenominator())),(getDenominator()*rn.getDenominator()));
}
public RationalNumber multiply(RationalNumber rn)
{
return new RationalNumber(getNumerator()*rn.getNumerator(),getDenominator()*rn.getDenominator());
}
public double getDoubleValue()
{
return ((double)getNumerator()/(double)getDenominator());
}
}
Main
public class RationalNumberTest
{
public static void main(String arg[])
{
RationalNumber rn1=new RationalNumber(3,2);
RationalNumber rn2=new RationalNumber(5,4);
System.out.println(rn1.getNumerator()+"/"+rn1.getDenominator()+" = "+rn1.getDoubleValue());
System.out.println(rn2.getNumerator()+"/"+rn2.getDenominator()+" = "+rn2.getDoubleValue()+"\n\n");
RationalNumber rn3=rn1.add(rn2);
System.out.print(rn1.getNumerator()+"/"+rn1.getDenominator()+" + "+rn2.getNumerator()+"/"+rn2.getDenominator()+" = ");
System.out.println(rn3.getNumerator()+"/"+rn3.getDenominator());
RationalNumber rn4=rn1.multiply(rn2);
System.out.print(rn1.getNumerator()+"/"+rn1.getDenominator()+" * "+rn2.getNumerator()+"/"+rn2.getDenominator()+" = ");
System.out.println(rn4.getNumerator()+"/"+rn4.getDenominator());
}
}
وبالنسبة للسؤال عن الكود فهو كالتالي :
Rational numbers are numbers that can be represented as a fraction p / q where p is an integer number and q is a positive integer (q != 0). Design and implement a Java class
RationalNumber for representing such numbers. Implement methods to add and mutliply rational numbers. Implement a method for return the value of a rational number as a double value. Write a driver class to test your class. here is the class details:
Constructor Summary:
RationalNumber(int numerator, int denominator)
Creates a new RationalNumber with given numerator and denominator.
methods summary:
RationalNumber add(RationalNumber rationaleNumber)
Adds the given
rationaleNumber to this RationalenNumber (the object that you created
from RationalNumber Class) and returns the sum as a new RationalNumber.
int getDenominator()
Returns the denominator of this RationalNumber.
double getDoubleValue()
Returns the value of this RationalNumber as a double value.
int
getNumerator()
Returns the numerator of this RationalNumber.
RationalNumber multiply(RationalNumber rationalNumber)
Multiplies the given rationalNumber to this RationalNumber (the object that you created from
RationalNumber Class) and returns the product as a new RationalNumber
بارك الله فيكم، وجزاكم خير الجزاء :) ..
see ya