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import javax.swing.*;

public class Lab05 {

public static void main (String[] args) {

String count[] = {"none", "first", "second", "third", "fourth"};

String candidate[] = {"Obama or Romney", "Biden or Ryan", "presidential", "vice-presidential"};

String name = JOptionPane.showInputDialog(null, "Hi! What's your name?");

int x = Integer.parseInt(JOptionPane.showInputDialog(null, "Hello " + name + ", how many hours would you like to study this Friday night? "));

while (x <= 5)

x = Integer.parseInt(JOptionPane.showInputDialog(null, "You aren't studying enough, please try again."));

if (x > 5)

JOptionPane.showMessageDialog(null, name + ", you're gonna be successful in the future.");

double total;

int counter;

int hours;

double average;

total = 0;

counter = 1;

while (counter <= 4)

{

hours = Integer.parseInt(JOptionPane.showInputDialog(null, "Enter the number of hours you studied every Friday for the " + count[counter] + " Friday of this week."));

total = total + hours;

counter++;

}

average = total / 4;

JOptionPane.showMessageDialog(null, "You studied an average of " + average + " hours this past month on Fridays");

int counter2;

counter2 = 0;

while (counter2 <= 1)

{String president = JOptionPane.showInputDialog(null, "Which " + candidate[counter2 + 2] + " candidate do you prefer? " + candidate[counter2] + "? Enter \"don't care\" to quit.");

if (president.equals("Obama") || president.equals("Romney") || president.equals("Biden") || president.equals("Ryan"))

JOptionPane.showMessageDialog(null, "Good for you! Have a cookie.");

counter2++;

}

int gradeTotal;

int gradeCounter;

double gradeAverage;

gradeCounter = 0;

gradeTotal = 0;

String letterGrade = (JOptionPane.showInputDialog(null, "Please input your first letter grade to be averaged, enter N for \"0\", or press Q to quit: "));

while (!letterGrade.equals("Q")) {

if (letterGrade.equals("A"))

gradeTotal += 95;

if (letterGrade.equals("B"))

gradeTotal += 85;

if (letterGrade.equals("C"))

gradeTotal += 75;

if (letterGrade.equals("D"))

gradeTotal += 65;

if (letterGrade.equals("F"))

gradeTotal += 50;

if (letterGrade.equals("N"))

gradeTotal += 0;

gradeCounter++;

letterGrade = JOptionPane.showInputDialog(null, "Please input your next letter grade to be averaged, or press Q to quit: ");

}

if (gradeCounter != 0) {

gradeAverage = (double) (gradeTotal / gradeCounter);

JOptionPane.showMessageDialog(null, "The average of the numbers you entered is: " + gradeAverage );

if (gradeAverage >= 97)

JOptionPane.showMessageDialog(null, "The grade average is an A+.");

else if (gradeAverage >= 93)

JOptionPane.showMessageDialog(null, "The grade average is an A.");

else if (gradeAverage >= 90)

JOptionPane.showMessageDialog(null, "The grade average is an A-.");

else if (gradeAverage >= 87)

JOptionPane.showMessageDialog(null, "The grade average is a B+.");

else if (gradeAverage >= 83)

JOptionPane.showMessageDialog(null, "The grade average is a B.");

else if (gradeAverage >= 80)

JOptionPane.showMessageDialog(null, "The grade average is a B-.");

else if (gradeAverage >= 77)

JOptionPane.showMessageDialog(null, "The grade average is a C+.");

else if (gradeAverage >= 73)

JOptionPane.showMessageDialog(null, "The grade average is a C.");

else if (gradeAverage >= 70)

JOptionPane.showMessageDialog(null, "The grade average is a C-.");

else if (gradeAverage >= 67)

JOptionPane.showMessageDialog(null, "The grade average is a D+.");

else if (gradeAverage >= 63)

JOptionPane.showMessageDialog(null, "The grade average is a D.");

else if (gradeAverage >= 60)

JOptionPane.showMessageDialog(null, "The grade average is a D-.");

else if (gradeAverage>= 0)

JOptionPane.showMessageDialog(null, "The grade average is a F.");

} else {

JOptionPane.showMessageDialog(null, "Exiting program." );

}

}

}