From 74865471c35706ba881fbb228a498e52cff7a889 Mon Sep 17 00:00:00 2001
From: SAURABH KUMAR <86124127+runtime-error2905@users.noreply.github.com>
Date: Sun, 17 Oct 2021 15:14:14 +0530
Subject: [PATCH] Created  Matrix Multiplication java file

Implementation of Matrix Multiplication
---
 matrix_multiplication.java | 49 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 matrix_multiplication.java

diff --git a/matrix_multiplication.java b/matrix_multiplication.java
new file mode 100644
index 0000000..fb2c973
--- /dev/null
+++ b/matrix_multiplication.java
@@ -0,0 +1,49 @@
+import java.util.Scanner;
+ 
+public class MatrixMultiplication{  
+  public static void main(String args[]){  
+ 
+    int row1, col1, row2, col2;
+    Scanner s = new Scanner(System.in);
+    System.out.print("Enter number of rows in first matrix:");
+    row1 = s.nextInt();
+    System.out.print("Enter number of columns in first matrix:");
+    col1 = s.nextInt();
+    System.out.print("Enter number of rows in second matrix:");
+    row2 = s.nextInt();
+    System.out.print("Enter number of columns in second matrix:");
+    col2 = s.nextInt();
+ 
+    if (col1 != row2) {
+        System.out.println("Matrix multiplication is not possible");
+    }
+    else {
+        int a[][] = new int[row1][col1];
+        int b[][] = new int[row2][col2];
+        int c[][] = new int[row1][col2];
+ 
+        System.out.println("Enter values for matrix A : \n");
+        for (int i = 0; i < row1; i++) {
+            for (int j = 0; j < col1; j++) 
+                a[i][j] = s.nextInt();
+        }
+        System.out.println("Enter values for matrix B : \n");
+        for (int i = 0; i < row2; i++) {
+            for (int j = 0; j < col2; j++) 
+                b[i][j] = s.nextInt();
+        }
+ 
+        System.out.println("Matrix multiplication is : \n");
+        for(int i = 0; i < row1; i++) {    
+            for(int j = 0; j < col2; j++){    
+              c[i][j]=0;      
+              for(int k = 0; k < col1; k++){      
+                c[i][j] += a[i][k] * b[k][j];      
+              }
+              System.out.print(c[i][j] + " ");  
+            }
+            System.out.println();
+        }    
+    }
+  }
+}