I need help in oop

Class:

/** * TASK: Remember to include all necessary headers for your Javadoc, descriptions and explanations of what you have done in the appropriate places. * ENSURE that you add appropriate Javadoc style comments to relevant parts of this code as you update this program to show that you understand it. * USE: 2D array, Format your output using printf, nested for loop, Breakpoints and debugger * @author - various - * */

public class Spice {

public static void main(String[] args) { final int ROWS = 9; final int COLUMNS = 12;

int[][] traders = { { 150, 140, 225, 130, 220, 110, 120, 100, 115, 200, 192, 224 }, { 220, 137, 26, 82, 502, 615, 209, 947, 116, 214, 278, 238 }, { 103, 203, 276, 308, 172, 246, 354, 118, 123, 310, 146, 152 }, { 210, 260, 234, 108, 149, 202, 216, 58, 244, 155, 167, 221 }, { 203, 274, 226, 182, 152, 107, 192, 265, 123, 110, 146, 152 }, { 223, 184, 236, 234, 167, 121, 208, 201, 186, 109, 141, 176 }, { 136, 219, 131, 191, 187, 201, 278, 106, 153, 172, 109, 146 }, { 201, 104, 121, 13, 121, 69, 246, 100, 123, 161, 69, 175 }, { 100, 235, 106, 222, 175, 143, 208, 157, 163, 141, 208, 189 } };

String[] cities = { "Ottawa", "Perth", "Pembroke", "Kingston", "Toronto", "Niagara", "London", "Waterloo", "Guelph" }; System.out.println(" Month Jan Feb March April May June July Aug Sept Oct Nov Dec"); System.out.println();

/** TASK: It is important to know the number of spice traders per city. So you need to print out the number of traders for all cities (content of the array) for each month. * Update the code in this section by using a nested for loop. * */ // TO DO: WRITE YOUR CODE FOR THIS SECTION HERE!!!! Check the sample output file (SpiceOutput) to see the expected pattern to print out these details using printf.

/** TASK: Update the code in this section by writing a nested for loop (for the columns and rows of the array) to compute the sum (column). * Print the column sum using printf. Check the sample output file (SpiceOutput) to see the expected pattern. */ System.out.println(); System.out.print(" Traders");

// TO DO: INSERT CODE HERE FOR THIS SECTION!!! Check the sample output file (SpiceOutput) to see the expected pattern.

System.out.println(); System.out.println(); System.out.println(" Food spice trading is very lucrative!" ); } }

Output:

Month Jan Feb March April May June July Aug Sept Oct Nov Dec Ottawa 150 140 225 130 220 110 120 100 115 200 192 224 Perth 220 137 26 82 502 615 209 947 116 214 278 238 Pembroke 103 203 276 308 172 246 354 118 123 310 146 152 Kingston 210 260 234 108 149 202 216 58 244 155 167 221 Toronto 203 274 226 182 152 107 192 265 123 110 146 152 Niagara 223 184 236 234 167 121 208 201 186 109 141 176 London 136 219 131 191 187 201 278 106 153 172 109 146 Waterloo 201 104 121 13 121 69 246 100 123 161 69 175 Guelph 100 235 106 222 175 143 208 157 163 141 208 189 Traders 1546 1756 1581 1470 1845 1814 2031 2052 1346 1572 1456 1673 Food spice trading is very lucrative!