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Program21.java
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Program21.java
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//Program to draw a 2D array and print the values of the array
import java.util.Scanner;
public class Program21{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Enter the base of matrix");
int n = sc.nextInt();
int [][] m1 = new int[n][n]; // matrix 1
int [][] m2 = new int[n][n]; // matrix 2
int [][] mat = new int[n][n]; // resultant matrix
System.out.println("Enter the values of matrix 1 row wise");
for(int i = 0; i<n; i++) //row
{
for(int j = 0; j<n; j++) //column
{
m1[i][j] = sc.nextInt(); // entering the values of matrix 1
}
}
System.out.println("Enter the values of matrix 2 row wise");
for(int i = 0; i<n; i++) //row
{
for(int j = 0; j<n; j++) //column
{
m2[i][j] = sc.nextInt(); // entering the values of matrix 2
}
}
System.out.println("Multiply the two matrices");
for(int i = 0; i<n; i++)
{
for(int j = 0; j<n; j++)
{
for(int k = 0; k<n; k++)
{
mat[i][j] += m1[i][k] * m2[k][j]; // formula to multiply the two matrices
}
}
}
System.out.println("Resultant matrix is");
for(int i = 0; i<n; i++){
for(int j = 0; j<n; j++)
{
System.out.print(mat[i][j] + " ");
}
System.out.println();
}
sc.close();
}
}