3.transpose of square matrix

import java.lang.*;
import java.util.*;
class transpose
{
    public static void main(String args[])
    {
        Scanner t  = new Scanner (System.in);
        System.out.println("enter n ");
        int n = t.nextInt();
        int i,k,l,temp,j;
        int a[][] = new int[n][n];
        System.out.println("enter elements of matrix ");
        for(i=0;i<n;i++)
        {
            for(j=0;j<n;j++)
            {
                a[i][j] = t.nextInt();
            }
        }
        System.out.println("original matrix of order n*n is given below:");
        for(i=0;i<n;i++)
        {
            for(j=0;j<n;j++)
            {
                System.out.print(a[i][j]+"  ");
            }
            System.out.println();
        }

        for(i=0;i<n;i++)
        {
            for(j=0;j<=i;j++)
            {
                temp=a[j][i];
                a[j][i]=a[i][j];
                a[i][j]=temp;
            }
        }
        System.out.println("TRANSPOSE of entered matrix is given below : ");
        for(i=0;i<n;i++)
        {
            for(j=0;j<n;j++)
            {
                System.out.print(a[i][j]+"  ");
            }
            System.out.println();
        }
    }
}