CR-MicroLabs-Loops-NumbersTrianglesTables/TableUtilities.java

 

public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        return getMultiplicationTable(5);
    }

    public static String getLargeMultiplicationTable() {
        return getMultiplicationTable(10);
    }

    public static String getMultiplicationTable(int tableSize) {
        StringBuilder table = new StringBuilder();
        for (int i = 1; i <= tableSize; i++) {
            StringBuilder row = new StringBuilder();
            for (int j = 1; j <= tableSize; j++) {
                int number = i * j;
                String formatted = String.format("%3d |", number);
                row.append(formatted);
            }
            table.append(row + "\n");
        }
        return table.toString();
    }
}