aaaaaaaaten
public class TestMatrix{ public static void main(String[] args){ int[][] a={{1,2,3,4},{5,6,7,8},{9,1,2,3}}; int[][] b={{1,2},{3,4},{5,6},{7,8}};int arow=a.length; int bcol=b[0].length; int m=b.length;int[][] c=new int[arow][bcol];for(int i=0;i<arow;i++){ for(int j=0;j<bcol;j++){ int result=0; for(int k=0;k<m;k++){ result+=a[i][k]*b[k][j]; } c[i][j]=result; } }for(int i=0;i<c.length;i++){ for(int j=0;j<c[i].length;j++){ System.out.print(c[i][j]+"\t"); } System.out.println(); } }}