计算两个矩阵的乘积

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这里写代码片//计算两个矩阵相乘的程序import java.io.*;import java.util.Scanner;class arraytest{    public static void main(String args[])    {        int row = 0, col = 0;        System.out.println("请输入第一个矩阵的行数和列数：");        Scanner x = new Scanner(System.in);        row = x.nextInt();        Scanner y = new Scanner(System.in);        col = y.nextInt();        int array1[][] = new int[row][col];        Define(row,col,array1);        Print(row,col,array1);        int row1 = 0, col1 = 0;        System.out.println("请输入第二个矩阵的行数和列数：");        Scanner x1 = new Scanner(System.in);        row1 = x1.nextInt();        Scanner y1 = new Scanner(System.in);        col1 = y1.nextInt();        int array2[][] = new int[row1][col1];        Define(row1,col1,array2);        Print(row1,col1,array2);        Product(row,col,row1,col1,array1,array2);    }    //定义一个矩阵    public static int Define(int row , int col , int maxtril[][])    {           System.out.println("开始输入矩阵中的数：");        for(int i = 0;i < row;i++)        {            for(int j = 0;j < col;j++)            {                Scanner number = new Scanner(System.in);                maxtril[i][j] = number.nextInt();            }        }           return 1;       }     //显示一个矩阵    public static void Print(int row,int col,int maxtril[][])    {        System.out.println("开始输出：");        for(int i = 0;i < row;i++)        {            for(int j = 0;j < col;j++)            {                System.out.print(maxtril[i][j]);                System.out.print(" ");            }            System.out.println();        }    }    //计算两个矩阵的乘积    //如果第二个矩阵的行数跟第一个矩阵的列数不相同，则报错    public static void Product(int row1,int col1,int row2,int col2,int array1[][],int array2[][])    {        int matrix[][] = new int[row1][col2];        if(col1 != row2)            System.out.println("输入的矩阵有错");        else        {            for(int i = 0;i < row1;i++)            {                for(int j = 0;j < col2;j++)                {                    matrix[i][j] = 0;                    for(int k = 0;k < col1;k++)                    {                        matrix[i][j] += array1[i][k] * array2[k][j];                    }                    System.out.println();                }            }            Print(row1,col2,matrix);        }    }}
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