CR-MicroLabs-Loops-NumbersTrianglesTables/TableUtilities.java

public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        String fin = "";
        int step = 1;
        for(int i = 1; i <= 5; i++) {
            for(int j = i; j <= (5*step); j+=step){
                fin = fin.concat(String.format("%4s|", j + " "));
            }
            step+=1;
            fin += "\n";
        }
        return fin;
    }

    public static String getLargeMultiplicationTable() {
        String fin = "";
        int step = 1;
        for(int i = 1; i <= 10; i++) {
            for(int j = i; j <= (10*step); j+=step){
                fin = fin.concat(String.format("%4s|", j + " "));
            }
            step+=1;
            fin += "\n";
        }
        return fin;
    }

    public static String getMultiplicationTable(int tableSize) {
        String fin = "";
        int step = 1;
        for(int i = 1; i <= tableSize; i++) {
            for(int j = i; j <= (tableSize*step); j+=step){
                fin = fin.concat(String.format("%4s|", j + " "));
            }
            step+=1;
            fin += "\n";
        }
        return fin;
    }
}