fraction在java_Fraction.java
package t1;
public class Fraction
{
private int numerator;// 分子
private int denominator;// 分母
private String fraction;// 分數
public Fraction()
{
super();
}
public Fraction(int numerator, int denominator)
{
this.numerator = numerator;
this.denominator = denominator;
// makeItProper();
}
public int getNumerator()
{
return numerator;
}
public void setNumerator(int numerator)
{
this.numerator = numerator;
}
public int getDenominator()
{
return denominator;
}
public void setDenominator(int denominator)
{
this.denominator = denominator;
}
public String getFraction()
{
return fraction;
}
public void setFraction(String fraction)
{
this.fraction = fraction;
}
public String creatfraction()
{
numerator = (int) (Math.random() * 10 + 2);// [0~1)之間的隨機數
denominator = (int) (Math.random() * 10 + 2);
int i = numerator;
int j = denominator;
j = GCD(i, j);
numerator = numerator / j;
denominator = denominator / j;
fraction = Reduction(numerator, denominator);
return fraction;
}
public static int GCD(int m, int n)
{ // 求最大公約數
try
{
while (m % n != 0)
{
int t = m % n;
m = n;
n = t;
}
} catch (Exception e)
{
System.out.println(e);
}
return n;
}
public static Fraction transferToFraction(String s)
{
Fraction f = new Fraction();
String[] num = s.split("/");
if (num.length == 1)
{
f.setNumerator(Integer.parseInt(s));
f.setDenominator(1);
f.setFraction(s);
} else
{
f.setNumerator(Integer.parseInt(num[0]));
f.setDenominator(Integer.parseInt(num[1]));
f.setFraction(s);
}
return f;
}
public static String Reduction(int m, int n)
{
String t;
if (n == 1)
{
t = m + "";
} else
{
t = m + "" + "/" + n + "";
}
return t;
}
}
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