每天一道算法_5_Financial Management

import java.math.BigDecimal;import java.util.ArrayList;import java.util.List;import java.util.Scanner;public class FinancialManagement {public static void main(String args[]){Scanner in = new Scanner(System.in);List<Float> list = new ArrayList<Float>();int all = 12;while(all > 0){float f = Float.valueOf(in.nextLine());list.add(f);all --;}float sum = 0;for(int i = 0; i < list.size(); i ++){sum += list.get(i);}float average = sum/12;BigDecimal b = new BigDecimal(average);average = b.setScale(2, BigDecimal.ROUND_HALF_UP).floatValue();System.out.println("$"+average);}}

作者：jason0539

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