Java编程计算兔子生兔子的问题
程序分析:兔子的规律为数列1,1,2,3,5,8,13,21....
程序设计:
publicclassexp2{
publicstaticvoidmain(Stringargs[]){
inti=0;
for(i=1;i<=20;i++)
System.out.println(f(i));
}
publicstaticintf(intx)
{
if(x==1||x==2)
return1;
else
returnf(x-1)+f(x-2);
}
}
或
publicclassexp2{
publicstaticvoidmain(Stringargs[]){
inti=0;
mathmymath=newmath();
for(i=1;i<=20;i++)
System.out.println(mymath.f(i));
}
}
classmath
{
publicintf(intx)
{
if(x==1||x==2)
return1;
else
returnf(x-1)+f(x-2);
}
}