grader

/* Name: Hailey Martin
 * Description: 
 * This program will grade students
 */

import java.util.Scanner;
public class MartinHaileyHW02 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input = new Scanner(System.in);
		
		//ask professor for category grades for each student
		System.out.println("What is the grade for guided exploration?: ");
		
		double ge = input.nextDouble();	
		
		//ask professor for category grades for each student
		System.out.println("What is the grade for homework?: ");
				
		double hw = input.nextDouble();
				
		//ask professor for category grades for each student
		System.out.println("What is the grade for quiz?: ");
	
		double qz = input.nextDouble();
				
		//ask professor for category grades for each student
		System.out.println("What is the grade for midterm?: ");
				
		double mid = input.nextDouble();
		
		//ask professor for category grades for each student
		System.out.println("What is the grade for final?: ");
				
		double finals = input.nextDouble();
		
		//check ge
		if(ge > 0 && ge < 100) {
			//check homework
			if(hw > 0 && hw<100) {
				//check quiz
				if(qz > 0 && qz < 100) {
					//check mid
					if(mid > 0 && mid < 100) {
						//check final
						if(finals > 0 && finals < 100) {
							//run calculation if all variable are valid value
							//final percentage
							double finalPercentage = (ge*.15)+ (hw*.35)+ (qz*.1)+ (mid*.2)+ (finals*.2);
							
							//output finalPecentage
							System.out.println("Your final percent is " +finalPercentage);
							
							
							//output letter grade
							if(finalPercentage >= 90) {
								System.out.println("Your grade is an A");
							}else if(finalPercentage < 90 && finalPercentage >= 80) {
								System.out.println("Your grade is a B");
							}else if(finalPercentage < 80 && finalPercentage >= 70) {
								System.out.println("Your grade is a C");
							}else if(finalPercentage < 70 && finalPercentage >= 60) {
								System.out.println("Your grade is a D");
							}else {
								System.out.println("Your grade is a F");
							}
						}
					}
				}
			}
		}else {
			System.out.println("Error");
		}
		
		
		
		input.close();
	}//end of main

}