MatrixMulti.java

import java.util.Scanner;
public class MatrixMulti {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int q,x,y,z;
		System.out.println("Enter the number of rows in first matrix : ");
		q=scan.nextInt();
		System.out.println("Enter the number of column in first matrix : ");
		x=scan.nextInt();
		System.out.println("Enter the number of rows in second matrix : ");
		y=scan.nextInt();
		System.out.println("Enter the number of column in second matrix : ");
		z=scan.nextInt();
		
		if(x==y)
		{
			int[][]a=new int[q][x];
			int[][]b=new int[y][z];
			int[][]c=new int[q][z];
			
			System.out.println("Enter the first matrix row wise : ");
			for(int i=0;i<q;i++)
			{
				for(int j=0;j<x;j++)
				{
					a[i][j]=scan.nextInt();
				}
			}
			
			
			
			System.out.println("Enter the second matrix row wise : ");
			for(int i=0;i<y;i++)
			{
				for(int j=0;j<z;j++)
				{
					b[i][j]=scan.nextInt();
				}
			}
			
			
			
			
			
			for(int i=0;i<q;i++)
			{
				for(int j=0;j<z;j++)
				{
					for(int k=0;k<x;k++)
					{
						c[i][j]=c[i][j]+a[i][k]*b[k][j];
					}
				}
			}
			
			System.out.println("The product matrix is : ");
			
			
			for(int i=0;i<q;i++)
			{
				for(int j=0;j<z;j++)
				{
					System.out.print(c[i][j]+" ");
				}
				
				System.out.println();
			}
			
		}
		
		else
		{
			System.out.println("Multiplication not possible");
		}

	}

}