// Outer loop to print each of the rows
for (int row = 1; row <= size; row++) { // row = 1, 2, 3, ..., size
// Inner loop to print each of the columns of a particular row
for (int col = 1; col <= size; col++) { // col = 1, 2, 3, ..., size
if ((row % 2) == 0) { // row 2, 4, 6, ...
......
}
System.out.print( ...... ); // Use print() without newline inside the inner loop
......
}
// Print a newline after printing all the columns
System.out.println();
}