Created Matrix Multiplication java file

matrix_multiplication.java

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+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();
+        }    
+    }
+  }
+}