CR-MicroLabs-Loops-NumbersTrianglesTables/NumberUtilities.java

public class NumberUtilities {
    public static String getRange(int start) {
        String range = "";
        for (int i=0; i<start; i++){
            range = range + Integer.toString(i);
        }
        return range;
    }

    public static String getRange(int start, int stop) {
        String range = new String();
        for (int i=start; i<stop; i++){
            range = range + Integer.toString(i);
        }
        return range;
    }

    public static String getRange(int start, int stop, int step) {
        String range = new String();
        for (int i=start; i<stop; i+=step){
            range = range + i;
        }
        return range;
    }

    public static String getEvenNumbers(int start, int stop) {
        String range = new String();
        for (int i=start; i<stop; i++){
            if (i%2 == 0){
                range = range + i;
            }
        }
        return range;
    }

    public static String getOddNumbers(int start, int stop) {
        String range = new String();
        for (int i=start; i<stop; i++){
            if (i%2 == 1){
                range = range + i;
            }
        }
        return range;
    }

    public static String getExponentiations(int start, int stop, int exponent) {
        String range = "";
        for (int i=start; i<=stop; i++){
            range = range + (int)Math.pow(i,exponent);
        }
        return range;
    }
}