//Name: Michael Zhan
//Date: 20180109
//Lab: Grades

import java.util.*;
import static java.lang.System.*;

public class Grades
{
	private double[] grades;

	public Grades(double[] nums)
	{
		grades = nums;
	}


	public void setGrades(double[] nums)
	{
		grades = nums;
	}

	public double getTotal()
	{
		double total = 0.0;
		for (double item: grades)
		{
			total+=item;
		}

		return total;
	}

	public double getAverage()
	{
		double average=0.0;
		Grades test1 = new Grades(grades);

		average=test1.getTotal();
		average=average/grades.length;

		return average;
	}

	public double getAverageDropLowest()
	{
		double average=0.0;
		double lowest = Integer.MAX_VALUE;
		for (double item:grades)
		{
			if (item<lowest)
				lowest=item;
		}

		for (double item:grades)
		{
			if (item!=lowest)
			{
				average+=item;
			}
		}

		average = average/(grades.length-1);
		return average;
	}

	public double getHighest()
	{
		double max=Integer.MIN_VALUE;
		for (double item: grades)
		{
			if (item>max)
			{
				max=item;
			}
		}
		return max;
	}

	public double getLowest()
	{
		double min = Integer.MAX_VALUE;
		for (double item:grades)
		{
			if (item<min)
				min=item;
		}
		return min;
	}


	public double roundTwo(double x)
	{
		double rounded = x;
		rounded=(int)((rounded+.005)*100)/100.0;

		return rounded;
	}

	public String toString( )
	{
		Grades test2 = new Grades(grades);
		String output="";
		for (int i = 0; i < grades.length; i++)
		{
			output+= ("grade "+i +" :: " +grades[i]+"\n");
		}
		output += "\nTotal = " +test2.getTotal();
		double originalAverage = test2.roundTwo(test2.getAverage());
		output += "\nAverage = " +originalAverage;
		output += "\nMaxmimum = " +test2.getHighest();
		output += "\nMinimum = " +test2.getLowest();
		double roundedAverage = test2.roundTwo(test2.getAverageDropLowest());
		output+=  "\nAverage with dropped lowest = " +roundedAverage;
		output += ("\nWow! Your average went up " +test2.roundTwo(roundedAverage-originalAverage));
		output += "\n**************************************************************************\n";
		return output;
	}
}
=======================================================================================================================================
//Name: Michael Zhan
//Date: 20180109
//Lab: Grade Runner

import java.util.*;
import static java.lang.System.*;


public class GradesRunner
{
	public static void main( String args[] )
	{
		Grades test = new Grades(new double[]{100,90,85,72.5,95.6});
		System.out.println(test);

		test.setGrades(new double[]{50.0,100.0,80.0});
		System.out.println(test);

		test.setGrades(new double[]{93.4,-90.0,90.0});
		System.out.println(test);

		test.setGrades(new double[]{1,2,3,4,5,6,7,8,9});
		System.out.println(test);

		out.println ("\n\nProgram completed by: Michael Zhan");
		}
}