假設雞兔腳總攻94，雞兔總***35只
public?class?Test?{public?static?void?main(String[]?args)?{
int?x,y;?//x：雞?y：兔
for(x=0;x<=35;x++)?{//遍歷雞的只數x
for(y=0;y<=35;y++){//兔的只數等於y
if(2*x+4*y==94?&&?x+y==35)?{?//如果雞和兔的腳總數是94,x+y==35
System.out.println("雞"+x+"只，兔"+y+"只");
}
}
}
}
}
雞23只，兔12只