public class Rational
extends java.lang.Object
| 构造器和说明 | 
|---|
Rational(long nominator,
        long denominator)
Create a Rational with a given numerator and denominator. 
 | 
Rational(Rational r)
Create a copy of a Rational. 
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| 限定符和类型 | 方法和说明 | 
|---|---|
boolean | 
equals(java.lang.Object obj)  | 
long | 
getDenominator()
Gets the denominator of the rational 
 | 
long | 
getNumerator()
Gets the numerator of the rational. 
 | 
double | 
toDouble()
Gets the rational value as type double. 
 | 
java.lang.String | 
toString()  | 
public Rational(long nominator,
                long denominator)
nominator - denominator - public Rational(Rational r)
public long getNumerator()
public long getDenominator()
public double toDouble()
public boolean equals(java.lang.Object obj)
equals 在类中 java.lang.Objectpublic java.lang.String toString()
toString 在类中 java.lang.Object