CR-MicroLabs-Loops-NumbersTrianglesTables/NumberUtilities.java

public class NumberUtilities {
    public static String getRange(int stop) {
        String num= "";
        for(int i=0; i<stop; i++){
            num += i;
        }
        return num; 
    }

    public static String getRange(int start, int stop) {
        String num= "";
        for(int i=start; i<stop; i++){
            num += i;
        }
        return num;
    }

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

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

    public static String getOddNumbers(int start, int stop) {
        String num= "";
        for(int i=start; i<stop; i++){
            if(i%2 !=0) {
                num += i;
            }
        }
        return num;
    }

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