Locate the largest element in a multidimensional arrays

I have to write a program using a method that returns the location of the largest element in a two dimensional array.

example

Enter the number of rows and columns of the array:

3 4

Enter the array:

23.5 35 2 10

4.5 3 45 3.5

35 44 5.5 9.6

the location of the largest element is at (1, 2)

I have finished my code but it isn't working. How can I fix it? All I got are the following errors:

symbol : variable maxvalue

location: class int[]

                    if (a[i][j] > largest.maxvalue)

                                         ^

homework1a.java:51: row is already defined in locateLargest(double[][])

                            double row = i;

                                   ^

homework1a.java:52: column is already defined in locateLargest(double[][])

                            double column = j;

                                   ^

homework1a.java:53: maxValue is already defined in locateLargest(double[][])

                            double maxValue = a[i][j];

                                   ^

homework1a.java:88: i is already defined in main(java.lang.String[])

                    for (int i = 0; i < 2; i++)

                             ^

5 errors

My code

import java.util.Scanner;

public class hwm1 {



public static int[] locateLargest(double[][] a)

{



        int[] largest = new int[2];



        double row = 0;

        double column = 0;

        double maxValue = a[0][0];



        for (int i = 0; i < a.length; i++)

        {

                for (int j = 0; j < a.length; j++)

                {

                        if (a[i][j] > largest.maxvalue)

                        {

                                double row = i;

                                double column = j;

                                double maxValue = a[i][j];

                        }

                }

        }



        return largest;

}

public static void main(String[] args)

 {

                //Create Scanner

                Scanner input = new Scanner(System.in);



                //User input rows and columns

                System.out.println("Enter the number of rows and columns in the array: ");



                int numberOfRows = input.nextInt();

                int numberOfColumns = input.nextInt();





                //User input data in array

                System.out.println("Enter numbers into array: ");

                //Create array

                double[][] a = new double[numberOfRows][numberOfColumns];

                for (int i = 0; i < a.length; i++)

      {

                        for (int j = 0; j < a[i].length; j++)

           {

                                a[i][j] = input.nextDouble();

           }

                        int[] largest = locateLargest(a);

                        System.out.println("The location of the largest element is at "+ "("+largest[0] +", " + largest[1] + ")");

                        for (int i = 0; i < 2; i++)

                {

                        System.out.print(largest[i]);

           }

      }

 }

}