# Java Program to multiply two matrices

Friday, October 2nd, 2009
```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 import java.util.Scanner; class matmul { public static void main(String args[]) { int a[][]=new int[3][3]; int b[][]=new int[3][3]; int c[][]=new int[3][3]; System.out.println("Enter the first matrix:"); Scanner input=new Scanner(System.in); for(int i=0;i<3;i++) for(int j=0;j<3;j++) a[i][j]=input.nextInt();   System.out.println("Enter the second matrix:"); for(int i=0;i<3;i++) for(int j=0;j<3;j++) b[i][j]=input.nextInt(); System.out.println("Matrix multiplication is as follows:"); for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { c[i][j]=0; for(int k=0;k<3;k++) { c[i][j]+=a[i][k]*b[k][j]; } } } for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { System.out.print(a[i][j]+"\t"); } System.out.println("\n"); } System.out.println("\n"); for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { System.out.print(b[i][j]+"\t"); } System.out.println("\n"); } System.out.println("\n"); for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { System.out.print(c[i][j]+"\t"); } System.out.println("\n"); } } }```

Output:

Enter the first matrix:
1 2 3 4 5 6 7 8 9

Enter the second matrix:
9 8 7 6 5 4 3 2 1

Matrix multiplication is as follows:
1 2 3
4 5 6
7 8 9

9 8 7
6 5 4
3 2 1

30 24 18
84 69 54
138 114 90

Author Name :
Ranjith

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### 7 Responses to “Java Program to multiply two matrices”

1. jenita says:

hmmm…..d program is gud but i didn’t knw dat der is a method called scanner….i am an icse student nd i am learnin java at school….i am new to this java environmnt…..anyway its gud…!!!! (^.^)….

2. sam says:

hello…. d program is quite gud…. and i really hate computer apps…..it is compulsary to learn java in our school ….and ur program was of immense help….i hav mycomputer apps exam 2mrw….!!!! ….thankzz….

3. Faustina says:

It is very useful for my university exam. Thank you very much… I am studying B.Sc Computer Science. I am very interested in java

4. usama says:

It is very useful!
thanks for sharing

5. sathish says:

thanks

6. yash says:

thanks dude for sharing you see i am an 11 grader of icse and i think i’ll be in need for your further help

7. Sourav Saha says:

Can i get the algorithms??

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