麻烦大家把代码补充完整,谢谢.//按要求补全程序(可以根据需要添加其他代码)
class CNumber //封装分数类
{
private long a; //分数的分母
private long b; //分数的分子
private char f; //分数的符号(正、负号) public CNumber(long x,long y) //x, y可以是任意整数
{
if(x!=0)
{
if(x>0 && y>=0)
{
a=x;
b=y;
f='+';
}
else
if(x>0 && y<0)
{
a=x;
b=-y;
f='-';
}
else
if(x<0 && y>=0)
{
a=-x;
b=y;
f='-';
}
else
{
a=-x;
b=-y;
f='+';
} simpleCNumber(); //将分数化为最简分数
}
else
{
System.out.println("分母不能为0");
System.exit(0);
}
} public long getA()
{
return a;
} public long getB()
{
return b;
} public char getChar()
{
return f;
} public void simpleCNumber()
{
//将分数化为最简分数
} public CNumber add(CNumber oper)
{
//分数的加法
} public CNumber sub(CNumber oper)
{
//分数的减法
} public CNumber muti(CNumber oper)
{
//分数的乘法
} public CNumber div(CNumber oper)
{
//分数的除法
} public String toString()
{
//重写Oject类的toString方法,按照常规格式将分数转换为字符串
}
}public class Test
{
public static void main(String args[])
{
CNumber num1=new CNumber(7,4);
CNumber num2=new CNumber(-5,-4);
System.out.println("num1="+num1);
System.out.println("num2="+num2); CNumber num4=num1.add(num2);
System.out.println("num1+num2="+num4); num4=num1.sub(num2);
System.out.println("num1-num2="+num4); num4=num1.muti(num2);
System.out.println("num1*num2="+num4); num4=num1.div(num2);
System.out.println("num1/num2="+num4);
}
}
class CNumber //封装分数类
{
private long a; //分数的分母
private long b; //分数的分子
private char f; //分数的符号(正、负号) public CNumber(long x,long y) //x, y可以是任意整数
{
if(x!=0)
{
if(x>0 && y>=0)
{
a=x;
b=y;
f='+';
}
else
if(x>0 && y<0)
{
a=x;
b=-y;
f='-';
}
else
if(x<0 && y>=0)
{
a=-x;
b=y;
f='-';
}
else
{
a=-x;
b=-y;
f='+';
} simpleCNumber(); //将分数化为最简分数
}
else
{
System.out.println("分母不能为0");
System.exit(0);
}
} public long getA()
{
return a;
} public long getB()
{
return b;
} public char getChar()
{
return f;
} public void simpleCNumber()
{
//将分数化为最简分数
} public CNumber add(CNumber oper)
{
//分数的加法
} public CNumber sub(CNumber oper)
{
//分数的减法
} public CNumber muti(CNumber oper)
{
//分数的乘法
} public CNumber div(CNumber oper)
{
//分数的除法
} public String toString()
{
//重写Oject类的toString方法,按照常规格式将分数转换为字符串
}
}public class Test
{
public static void main(String args[])
{
CNumber num1=new CNumber(7,4);
CNumber num2=new CNumber(-5,-4);
System.out.println("num1="+num1);
System.out.println("num2="+num2); CNumber num4=num1.add(num2);
System.out.println("num1+num2="+num4); num4=num1.sub(num2);
System.out.println("num1-num2="+num4); num4=num1.muti(num2);
System.out.println("num1*num2="+num4); num4=num1.div(num2);
System.out.println("num1/num2="+num4);
}
}
public class Test { //求最简分式
public static void main(String avgs[]) {
int a = 50;
int b = 100;
for(int i=2;i<Math.max(a,b);i++)
if (a%i==0 && b%i==0) {
System.out.println(i);
a = a / i;
b = b / i;
i=i-1;//判断是不是能被同一个数多次整除
}
System.out.println(a + "/" + b);
}}