CR-MicroLabs-Loops-NumbersTrianglesTables/TableUtilities.java

public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        String str = "";
        for (int i =1; i<=5 ;i++){
            for (int j = 1; j <=5; j++){
                String str2 = String.format("%3d", (i*j));
                str = str + str2 +" |";
            }
            str = str + "\n";
        }
        return str;
    }

    public static String getLargeMultiplicationTable() {
        String str = "";
        for (int i = 1; i <=10; i++){
            for (int j = 1; j <=10; j++){
            String str2 = String.format("%3d",i*j);
            str = str + str2 + " |";
        }
            str = str + "\n";
        }
        return str;
    }

    public static String getMultiplicationTable(int tableSize) {
        String str = "";
        for (int i = 1; i <= tableSize; i++){
        for (int j = 1; j <= tableSize; j++){
            String str2 = String.format("%3d", i*j);
            str = str + str2 + " |";
        }
        str = str + "\n";
        }
        return str;
    }
}