Saturday, February 28, 2015

pentagonal program




I have to write a program that displays the first 100 pentagonal numbers using different methods. This is what I have so far:




public class FivePointOne{



public static void main(String[]args){



System.out.println("The the pentagonal numbers are: ");



}



//this method will find the penagonal numbers



public static int getPentagonalNumber(int n){



for(int i = 0; i < 100 ; i++){



if(valueOfEquation(i) % 5 == 0)




}



//return n;



}



//This method will calculate the numerator



public static int getNumerator(int n){



int N = (n*((3*n)-1));



return N;



}



//This method defines the denominator



public static int getDenominator(int n){



final int d = 2;



return d;



}



//This method will calcualte the equation



public static int valueOfEquation(int n){



int value = getNumerator(N) / getDenominator(d) ;



return value;



}




}




But when I compile it to test it out I receive the error message "Illegal start of expression," ';' expected, and "reach end of file while parsing". Can anyone explain to me what is going on and how to fix it so?







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