如何将我的结果存储到另一个数组中？

Question

我想将从二维数组获得的平均值存储到一维数组中。我不确定该怎么做！

package javaprogram;

import java.util.Scanner;

public class program {

    public static void main(String[] args) {

         //a one-dimensional array to store the student names

        String names[] = {"Johnson","Aniston","Cooper","Gupta",

            "Blair","Clark","Kennedy","Bronson","Sunny", "smith"};

        // a 2 dimentional array to store scores

        int[][] scores =  { {85, 83, 77, 91,76}, {80,90,95,93,48},

        {78,81,11,90,73},{92,83,30,69,87}, {23,45,96,38,59}, {60,85,45,39,67},

        {77,31,52,74,83}, {93,94,89,77,97},{79,85,28,93,82},{85,72,49,75,63}};

        //a 1 dimentional array to store grades

        double[] grade = new double[10];

        double sum=0, average=0;

        for(int row=0; row<10; row++)

        {

            sum = 0;

            for(int col=0; col<scores[row].length; col++)

            {

                sum = sum +scores[row][col];

                average= sum/5;

            }

            System.out.println(average);

        }

    }

}

Answer 1

像这样的东西？double[] grade = new double[10];double sum=0, average=0;for(int row=0; row<10; row++) {&nbsp; &nbsp; sum = 0;&nbsp; &nbsp; for(int col=0; col<scores[row].length; col++){&nbsp; &nbsp; &nbsp; &nbsp; sum += scores[row][col];&nbsp; &nbsp; }&nbsp; &nbsp; average = sum/5;&nbsp; &nbsp; grade[row] = average;}

Answer 2

做这个修改取出average= sum/5;内循环外将其存储在您的一维数组中，每行平均 grade[row] = sum/5;&nbsp;for(int row=0; row<10; row++)&nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; sum = 0;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; for(int col=0; col<scores[row].length; col++)&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; sum = sum +scores[row][col];&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp;grade[row] = sum/5;&nbsp; &nbsp;// store it in your array each rows average&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; System.out.println(grade[row]);&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; }请注意，由于您的所有分数都是int，因此您将获得整数平均值而不是小数平均值。