AOOC/MatrixOperations.java at main · TejalNPowar/AOOC · GitHub

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import java.util.*;
 class MatrixOperations
{
 public static void main(String args[])
{
 int a[][] = new int[2][2];
 int b[][] = new int[2][2];
 int c[][] = new int[2][2];
 Scanner sc = new Scanner(System.in);
 System.out.println("Enter First 2x2 Matrix: ");
 for (int i = 0; i < 2; i++)
{
 for (int j = 0; j < 2; j++)
{
 System.out.print("a[" + i + "][" + j + "] = ");
 a[i][j] = sc.nextInt();
 }
 }
 System.out.println("Enter Second 2x2 Matrix: “);
   for (int i = 0; i < 2; i++)
   {
     for (int j = 0; j < 2; j++)
    {
      System.out.print("b[" + i + "][" + j + "] = ");
      b[i][j] = sc.nextInt();
     }
    }
    System.out.println("\nChoose an operation:");
    System.out.println("1. Addition");
   System.out.println("2. Multiplication");
    System.out.println("3. Transpose");
    System.out.print("Enter your choice: ");
    int choice = sc.nextInt();
    switch (choice)
   {
     case 1:
      System.out.println("\nAddition of Matrices:");
      for (int i = 0; i < 2; i++)
     {
       for (int j = 0; j < 2; j++)
      {
        c[i][j] = a[i][j] + b[i][j];
        System.out.print(c[i][j] + " ");
       }
       System.out.println();
      }
      break;

     case 2:
      System.out.println("\nMultiplication of Matrices:");
      for (int i = 0; i < 2; i++)
     {
       for (int j = 0; j < 2; j++)
      {
        c[i][j] = 0;
        for (int k = 0; k < 2; k++)
       {
         c[i][j] = c[i][j] + (a[i][k] * b[k][j]);
        }
        System.out.print(c[i][j] + " ");
       }
       System.out.println();
      }
      break;

    case 3:
      System.out.println("\nTranspose of First Matrix:");
      for (int i = 0; i < 2; i++)
     {
       for (int j = 0; j < 2; j++)
      {
        System.out.print(a[j][i] + " “);
      }
       System.out.println();
      }
      System.out.println("\nTranspose of Second Matrix:");
      for (int i = 0; i < 2; i++)
     {
       for (int j = 0; j < 2; j++)
      {
        System.out.print(b[j][i] + " ");
       }
       System.out.println();
      }
      break;

    default:
      System.out.println("Invalid choice! Please select 1, 2, or 3.");
    }
    sc.close();
   }
 }