/*
CSC110 Assignment:_Lab04.java__
Programmer: Phillip Sherman
Due Date: 2/13/12
Points: 35

Description of Application: Four methods (harmonic, sum, triangle, parellelogram)

Description of Inputs: Class constants N, SIZE, HEIGHT

Description of Outputs: '*', ' ', or intergers
*/


class Lab04 {
    
    //Class constants required for modifying output of various methods
	// N is used
    public static final int N = 100;
    public static final int SIZE = 5;
    public static final int HEIGHT = 1;
    
    
    public static void main (String[] args) {
    
            harmonic();
            sum();
            triangle();
    }
    
    //Method for printing sum of harmonic series
    public static void harmonic () 
	{
        
		//Declare Variable Double 'sum' to hold the harmonic series calculation
        double sum=0;
        for (int i=1; i<=N; i++) {
			// i is used for Denominator of fraction (1/i)
			// each run through loop adds the fraction to container 'sum'
            sum += 1.0/i;
             }
		//printing Total value of 'sum' based upon CONSTANT N 
        System.out.println("Harmonic to " + N + " = " + sum);
        System.out.println();
    }
    
    //method for printing sum [Rules : Odd Integers up to N; 
	//sum of first N positive odd integers]
    public static void sum () 
	{
			//Declare variables 'sum1' & 'sum2' for 
			//holding the sum amounts of the required calculations
			//'sum 1' : Is for holding the computation of the sum of 
			// ODD integers up to N.
			
			int sum1=0;
			int sum2=0;
			for (int i=1; i<=N; i+=2) 
			{
				sum1 += i;
			}
			for (int j=1; j<=(N*2); j+=2)
			{
				sum2 += j;
			}
		System.out.println("Sum of odds UP to " + N + ": " + sum1);
		System.out.println();
		System.out.println("Sum of first " + N + " odds : " + sum2);
		
    }
    
    //method for printing a triangle of spaces & * using SIZE constant to 
    //format the output size
    public static void triangle () 
	{
		//Declare variables to hold characters uses for 
		//creating desired shape
		//Chosen to use variables in hopes of easier
		//code to read
		char star = '*';
		char space = ' ';
		
		for (int i=0; i<=SIZE; i++)
		{
			for (int j=SIZE-i; j>=1; j--)
			{
			System.out.print(space);
			}
			for (int k=1; k<=i; k++)
			{
			System.out.print(star);
			}
			//Ends the line and 
			System.out.println();
		}
		System.out.println();
    }
    
    //method for printing a parallelogram of spaces & * using SIZE constant to 
    //format the output size
    public static void parallelogram () 
	{
    
    
    }
	
	//method for printing a diamond shape from '*' characters
	//using HEIGHT constant to 
	public static void diamond () 
	{
	
	}

}