CR-MicroLabs-Loops-NumbersTrianglesTables/NumberUtilities.java

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


    public static String getRange(int start, int stop, int step) {
        String result="";
        for(int i=start;i<stop;i=i+step)//i should increment with step value
            {
                
                result=result+i;
               
            }
        
        return result;
    }
    
    public static String getEvenNumbers(int start, int stop) {
        String result="";
        for(int i=start;i<stop;i++)
        {
           if(i%2==0)
            {
            result= result+i;
            }
        }
        return result;
    }


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


    public static String getExponentiations(int start, int stop, int exponent) {
        

        String result="";
        for(int i=start;i<=stop;i++)
        {
        result=result+ (int) Math.pow(i,exponent) ; //casting
        }
        
        return result;
    }
}