Need help with Two-Dimensional array

[sabi]

I added each row in a two-dimensional array and now I want to display this in decreasing order so How can I do that? .......any help would be greatly appreciated.

int total;
for(int row = 0; row < hours.length; row++)
{
total = 0;

for(int col = 0; col < hours[row].length; col++)
{
total += hours[row][col];
}

System.out.println("Total of row " + row + " is " + total);

}


Here is the Output

Total of row 0 is 28
Total of row 1 is 51
Total of row 2 is 47
Total of row 3 is 30
Total of row 4 is 40
Total of row 5 is 45
Total of row 6 is 47

[Bushman]

You can simply use an array list to collect the various hourly values per row in the same loop, then you would simply just use java's native Collections and Comparator utilities.
The Comparator would be used to define the sorting order whilst Collections can be used to sort the elements of an ArrayList.



This is how you accomplish descending order list:

PHP Code:

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

public class sort 
{
    public static void main ( String [ ] args )
    {
        //create array list to collect hourly values per row
        ArrayList data = new ArrayList ( );
        //you would add hourly values per row here
        data.add ( 28 );
        data.add ( 51 );
        data.add ( 47 );
        data.add ( 30 );        
        data.add ( 40 );
        data.add ( 45 );
        data.add ( 47 );
        //use comparator to describe the sorting order
        Comparator comparator = Collections.reverseOrder ( );
        //sort the array list, as defined by the comparator above
        Collections.sort ( data , comparator );
        //display the contents of the array list 
        for ( int datum = 0; datum < data.size ( ); datum ++ )
            System.out.println ( data.get ( datum ) );
    }
}