CR-MicroLabs-Loops-NumbersTrianglesTable/TableUtilities.java

public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        String answer = "";

        for(int i = 1; i <= 5; i++){

            for(int j = 1; j <= 5; j++){

                int multiply = i * j;

                String xString = String.valueOf(multiply);

                answer = answer.concat(String.format("%3s |", xString));

            }
            answer = answer.concat("\n");
        }
        return answer;

    }

    public static String getLargeMultiplicationTable() {
        String answer = "";

        for(int i = 1; i <= 10; i++){

            for(int j = 1; j <= 10; j++){

                int multiply = i * j;

                String xString = String.valueOf(multiply);

                answer = answer.concat(String.format("%3s |", xString));

            }
            answer = answer.concat("\n");
        }
        return answer;

    }

    public static String getMultiplicationTable(int tableSize) {
        String answer = "";
        for(int i = 1; i <= tableSize; i++){

            for(int j = 1; j <= tableSize; j++){

                int multiply = i * j;

                String xString = String.valueOf(multiply);

                answer = answer.concat(String.format("%3s |", xString));

            }
            answer = answer.concat("\n");
        }
        return answer;

    }
}