Iowa State University String1D Project

/**
* Returns a string representation of the given 2D array. The format is
* demonstrated below. Each value is formated with a minimum width of 7
* characters, for example, {@code String.format(“%7d”, value); }
* <p>
* Example output:
*
* <pre>
* { 5, 56, 234235, 9867 }
* </pre>
*
* @param arr the given array
* @return a string representation of the given array
*/
public static String toString1D(int[] arr) {
return null;
}