TestResults.java

//TestResults.java

import javax.swing.JOptionPane;   // Needed for JOptionPane

/**
  This program asks the user to enter a numberic test
  score and displays a letter grade for the score. The
  program uses an if-else-if statement to determine
  the letter grade.
*/

public class TestResults
{
  public static void main(String[] args)
  {
    int testScore;    // Numberic test score
    String input;     // To hold the user's input

    // Get the numeric test score.
    input = JOptionPane.showInputDialog("Enter your numeric " +
                    "test score and I will tell you the grade: ");
    testScore = Integer.parseInt(input);

    // Display the grade.
    if (testScore < 60)
      JOptionPane.showMessageDialog(null, "Your grade is F.");
    else if (testScore < 70)
      JOptionPane.showMessageDialog(null, "Your grade is D.");
    else if (testScore < 80)
      JOptionPane.showMessageDialog(null, "Your grade is C.");
    else if (testScore < 90)
      JOptionPane.showMessageDialog(null, "Your grade is B.");
    else
      JOptionPane.showMessageDialog(null, "Your grade is A.");

    System.exit(0);
  }
}