Transpose two dimensional array in java

import java.io.*;

class arraytranspose

{

 public static void main(String[] arg)

  {

   int m,n;

   BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

   int arr[ ][ ]=new int[30][30];

    try

    {

     System.out.print("Enter the number of row: ");

      m=Integer.parseInt(in.readLine());

     System.out.print("Enter the number of column: ");

      n=Integer.parseInt(in.readLine());

    System.out.print("Enter the value of elements of array: ");    

      for(int i=0;i< m;i++)

      {

       for(int j=0;j<n;j++)

       {      

        arr[i][j]=Integer.parseInt(in.readLine());

        }

      }

System.out.println("Two dimensionl array before transpose:");

       for(int i=0;i< m;i++)

      {

       for(int j=0;j<n;j++)

       {      

        System.out.print(arr[i][j]+" ");

        }

        System.out.println();

      }

System.out.println("Two dimensionl array after transpose:");

       for(int i=0;i<n;i++)

       {

         for(int j=0;j<m;j++)

         {      

           System.out.print(arr[j][i]+" ");

          }

        System.out.println();

      }

    }

    catch(Exception e){ }

   }

}

Posted in: Array in Java,Java Programs

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