CR-MicroLabs-Loops-NumbersTrianglesTables/NumberUtilities.java

 


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


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


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


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