public?static?void?main(String[]?args){
//自己定義要求的數
double[]?nums?=?{1,?2.5,?5};
System.out.println("平均數為:"?+?average(nums));
}
public?static?double?average(double[]?nums){
double?num=0.0;
for(int?i=0;?i<nums.length;?i++){
num+=nums[i];
}
return?num/nums.length;
}
}