Updated with classes (ef032b71) · Commits · Public Projects / EC531 Templates / Quizzes / Quiz Zero Sample Code 1

.idea/uiDesigner.xml

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		<?xml version="1.0" encoding="UTF-8"?>
		<project version="4">
		<component name="Palette2">
		<group name="Swing">
		<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
		</item>
		<item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
		</item>
		<item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
		</item>
		<item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
		<default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
		</item>
		<item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
		<initial-values>
		<property name="text" value="Button" />
		</initial-values>
		</item>
		<item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
		<initial-values>
		<property name="text" value="RadioButton" />
		</initial-values>
		</item>
		<item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
		<initial-values>
		<property name="text" value="CheckBox" />
		</initial-values>
		</item>
		<item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
		<initial-values>
		<property name="text" value="Label" />
		</initial-values>
		</item>
		<item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
		<preferred-size width="150" height="-1" />
		</default-constraints>
		</item>
		<item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
		<preferred-size width="150" height="-1" />
		</default-constraints>
		</item>
		<item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
		<preferred-size width="150" height="-1" />
		</default-constraints>
		</item>
		<item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
		</item>
		<item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
		<preferred-size width="150" height="50" />
		</default-constraints>
		</item>
		<item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
		<preferred-size width="200" height="200" />
		</default-constraints>
		</item>
		<item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
		<preferred-size width="200" height="200" />
		</default-constraints>
		</item>
		<item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
		</item>
		<item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
		</item>
		<item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
		</item>
		<item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
		</item>
		<item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
		<preferred-size width="-1" height="20" />
		</default-constraints>
		</item>
		<item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
		<default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
		</item>
		<item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
		<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
		</item>
		</group>
		</component>
		</project>
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edu/bu/quizzes/AssignedGrade.java

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		package edu.bu.quizzes;

		import edu.bu.quizzes.grades.LetterGrade;
		import edu.bu.quizzes.grades.NumberGrade;
		import edu.bu.quizzes.grades.basic_grade;
		import edu.bu.quizzes.students.Student;

		import java.util.Date;

		/**
		* Represents a grade assigned to a student
		*/
		public class AssignedGrade {
		/**
		* Assigns a grade to a student.
		* @param theStudName The name of the student.
		* @param theStudID The ID of the student.
		* @param theGrade A string representing the grade of the student.
		* @throws CannotAssignException if the grade cannot be assigned to the student.
		*/
		public AssignedGrade(String theStudName, Long theStudID, String theGrade) throws CannotAssignException {

		stud = new Student()
		.setName(theStudName)
		.setID(theStudID)
		.setEnrolled(new Date());

		basic_grade tempGrade;
		// try to read the grade as a letter grade
		try {
		tempGrade = LetterGrade.fromString(theGrade);
		} catch (basic_grade.CannotCreate e) {
		// ... that didn't work; try to read the grade as a number grade
		try {
		tempGrade = NumberGrade.fromString(theGrade);
		} catch (basic_grade.CannotCreate ex) {
		throw new CannotAssignException();
		}
		}
		grade = tempGrade;
		}

		/**
		* Indicates that grade assignment failed.
		*/
		public class CannotAssignException extends Throwable {
		}

		final public Student stud;
		final public basic_grade grade;

		}

edu/bu/quizzes/ClassRoom.java

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		package edu.bu.quizzes;

		import edu.bu.quizzes.grades.basic_grade;

		import java.util.Vector;

		/**
		* Represents a classroom of students with assigned grades.
		*/
		public class ClassRoom {
		final static ClassRoom theClass = new ClassRoom();

		/**
		* Constructs a class.
		*/
		private ClassRoom() {
		}

		static public ClassRoom getClassRoom() {
		return theClass;
		}

		/**
		* Assigns a student to a grade.
		* @param studName The name of the student.
		* @param studID The ID number of the student.
		* @param studGrade The grade of the student.
		* @return true iff the assignment succeeded.
		*/
		public boolean addGrade(String studName, Long studID, String studGrade) {
		try {
		assignedGrades.add(new AssignedGrade(studName, studID, studGrade));
		} catch (AssignedGrade.CannotAssignException e) {
		return false;
		}
		return true;
		}

		/**
		* @param studName The name of the student to find.
		* @return The grade of the given student
		* @throws StudentNotFoundException If the student is not found in this classroom.
		*/
		public basic_grade getGrade(String studName) throws StudentNotFoundException {
		for (AssignedGrade ag: assignedGrades) {
		// does the name match to the name in the assigned grades?
		if (ag.stud.getName().compareTo(studName) == 0)
		return ag.grade;
		}
		throw new StudentNotFoundException();
		}

		/**
		* @param studID The ID of the student to find.
		* @return The grade of the given student
		* @throws StudentNotFoundException If the student is not found in this classroom.
		*/
		public basic_grade getGrade(Long studID) throws StudentNotFoundException {
		for (AssignedGrade ag: assignedGrades) {
		// does the name match to the name in the assigned grades?
		if (ag.stud.getID() == studID)
		return ag.grade;
		}
		throw new StudentNotFoundException();
		}

		/**
		* Notes that a student was not found.
		*/
		public class StudentNotFoundException extends Throwable {
		}

		Vector<AssignedGrade> assignedGrades = new Vector<>();

		}

edu/bu/quizzes/Main.java

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		@@ -2,6 +2,16 @@ package edu.bu.quizzes;

		public class Main {
		static public void main(String[] args) {
		System.out.println("Hello World");
		ClassRoom CR = ClassRoom.getClassRoom();
		CR.addGrade("Joe",1111111111L, "A");
		CR.addGrade("Jen",2222222222L, "100");
		CR.addGrade("Jane",3333333333L, "79");

		try {
		System.out.println("Jane got " + CR.getGrade("Jane"));
		System.out.println("Student " + 1111111111L + " got " + CR.getGrade(1111111111L));
		} catch (ClassRoom.StudentNotFoundException e) {
		throw new RuntimeException(e);
		}
		}
		}

edu/bu/quizzes/grades/GradeMaker.java

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Original line number	Diff line number	Diff line
		package edu.bu.quizzes.grades;

		public class GradeMaker {
		static basic_grade makeGrade(GradeType theGT, Object theGrade) {
		switch (theGT) {
		case Letter:
		return new LetterGrade((char) theGrade);
		case Number:
		return new NumberGrade((int) theGrade);
		default:
		throw new RuntimeException("Sorry, I cannot create that type of grade yet.");
		}
		}
		}
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