Java program:

1. Square integer 2D array of a size that is decided by user input.
2. Allow the user to fill the array with integers of their choice.
3. Determine which row has the largest sum.
4. Print to the screen a string starting with "R" and then the number of the row with no spaces. For example "R2".

Example 2D Array:

 | 1 2 | | 3 4 | 

Sample Input

 2 1 2 3 4 

Sample Output

 Largest row = R2