Merge pull request #1 from AsifShawon/master

yyoo

.gitignore

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+*.zip
+*.jar
+*.rar
+*.tar
+.metadata
+.idea
+*.pdf

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>JAVA</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

12Bar/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

12Bar/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>12Bar</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1687262205831</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>

12Bar/.settings/org.eclipse.core.resources.prefs

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+eclipse.preferences.version=1
+encoding/<project>=UTF-8

12Bar/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

12Bar/src/Assignment2/Action.java

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+package Assignment2;
+
+public interface Action {
+
+    public void handleAction();
+
+}

12Bar/src/Assignment2/Course.java

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+package Assignment2;
+
+
+public class Course {
+    private String courseName;
+    private String section;
+    private String time;
+    private String teacher;
+    private String ta;
+
+    public Course()
+    {
+
+    }
+
+    public Course(String courseName,String section, String time, String teacher, String ta)
+    {
+        this.courseName = courseName;
+        this.section = section;
+        this.time = time;
+        this.teacher= teacher;
+        this.ta = ta;
+    }
+
+    void addCourse()
+    {
+        Session session = Session.getSession();
+
+    }
+
+    public String getCourseName() {
+        return courseName;
+    }
+
+    public void setCourseName(String courseName) {
+        this.courseName = courseName;
+    }
+
+    public String getSection() {
+        return section;
+    }
+
+    public void setSection(String section) {
+        this.section = section;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public void setTime(String time) {
+        this.time = time;
+    }
+
+    public String getTeacher() {
+        return teacher;
+    }
+
+    public void setTeacher(String teacher) {
+        this.teacher = teacher;
+    }
+
+    public String getTa() {
+        return ta;
+    }
+
+    public void setTa(String ta) {
+        this.ta = ta;
+    }
+
+
+
+}

12Bar/src/Assignment2/CourseManagement.java

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+package Assignment2;
+
+
+public class CourseManagement{
+
+    static void viewCourse(Session s){
+        s.getCourseList();
+    }
+
+    public static void main(String[] args) {
+
+        while(true)
+        {
+            Session session = Session.getSession();
+
+            System.out.println("Email: ");
+            String email = session.inputScanner.nextLine();
+            System.out.println("Password: ");
+            String password = session.inputScanner.nextLine();
+            User user = null;
+            try
+            {
+                user = login(email,password);
+            }
+            catch(Exception ex)
+            {
+                getMessage();
+                continue;
+            }
+
+            if(user.getEmail().startsWith("teacher")) {
+            	Teacher teacher = new Teacher();
+            	teacher.handleAction();
+            }
+
+            else if(user.getEmail().startsWith("student")) {
+            	Student student = new Student();
+            	student.handleAction();
+            }
+
+            else if(user.getEmail().startsWith("ta")) {
+            	Ta ta = new Ta();
+            	ta.handleAction();
+            }
+            else {
+            	continue;
+            }
+
+        }
+
+
+    }
+
+    public static User login(String email, String password) throws Exception{
+        Session session = Session.getSession();
+
+        User[] list = new User[7];
+        list = session.getUserList();
+        for(int i=0 ; i<7; i++)
+        {
+            if(email==list[i].getEmail() && password==list[i].getPassword())
+            {
+                return list[i];
+            }
+        }
+        throw new Exception("User not found");
+        //for wrong credential: throw new Exception("User not found");
+        //call getMessage() on the exception instance to get the error message
+    }
+
+    public static void getMessage()
+    {
+        System.out.println("User not found");
+    }
+
+}
+
+

12Bar/src/Assignment2/Session.java

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+package Assignment2;
+
+import java.util.*;
+
+public class Session {
+    private static Session session = null;
+    private User userList[] = new User[7];
+    private Course courseList[] = new Course[6];
+    public Scanner inputScanner = new Scanner(System.in);
+
+
+    private Session()
+    {
+        createDatabase();
+    }
+
+    private static void createDatabase()
+    {
+        //getSession();
+
+        //for USer 1(Student)
+        session.userList[0].setEmail("student_a@northsouth.edu");
+        session.userList[0].setPassword("password");
+        session.userList[0].setId("S1");
+        session.userList[0].setName("A");
+        session.userList[0].setCGPA(3.4);
+        //session.userList[0].setCourses();
+
+        //for User 2(Student)
+        session.userList[1].setEmail("student_b@northsouth.edu");
+        session.userList[1].setPassword("password");
+        session.userList[1].setId("S2");
+        session.userList[1].setName("B");
+        session.userList[1].setCGPA(3.6);
+
+        //for User 3(Student)
+        session.userList[2].setEmail("student_c@northsouth.edu");
+        session.userList[2].setPassword("password");
+        session.userList[2].setId("S3");
+        session.userList[2].setName("B");
+        session.userList[2].setCGPA(3.2);
+
+        //for User 4(Teacher)
+        session.userList[3].setEmail("teacher_a@northsouth.edu");
+        session.userList[3].setPassword("password");
+        session.userList[3].setId("T1");
+        session.userList[3].setName("A");
+
+        //for User 5(Teacher)
+        session.userList[4].setEmail("teacher_b@northsouth.edu");
+        session.userList[4].setPassword("password");
+        session.userList[4].setId("T2");
+        session.userList[4].setName("B");
+
+        //for User 6(TA)
+        session.userList[5].setEmail("ta_a@northsouth.edu");
+        session.userList[5].setPassword("password");
+        session.userList[5].setId("A1");
+        session.userList[5].setName("A");
+
+
+        //for User 7(TA)
+        session.userList[6].setEmail("ta_b@northsouth.edu");
+        session.userList[6].setPassword("password");
+        session.userList[6].setId("A2");
+        session.userList[6].setName("B");
+
+
+
+        //for Course A 1
+        session.courseList[0].setCourseName("Course A") ;
+        session.courseList[0].setSection("1");
+        session.courseList[0].setTime("A");
+        session.courseList[0].setTeacher("T1");
+        session.courseList[0].setTa("A");
+
+        //for course A 2
+        session.courseList[1].setCourseName("Course A");
+        session.courseList[1].setSection("2");
+        session.courseList[1].setTime("A");
+        session.courseList[1].setTeacher("T2");
+        session.courseList[1].setTa("A");
+
+
+
+        //for Course A 3
+        session.courseList[2].setCourseName("Course A");
+        session.courseList[2].setSection("3");
+        session.courseList[2].setTime("B");
+        session.courseList[2].setTeacher("T1");
+        session.courseList[2].setTa("B");
+
+        //for Course B 1
+        session.courseList[3].setCourseName("Course B");
+        session.courseList[3].setSection("1");
+        session.courseList[3].setTime("A");
+        session.courseList[3].setTeacher("T1");
+        session.courseList[3].setTa("A");
+
+        //for Course C 1
+        session.courseList[4].setCourseName("Course C");
+        session.courseList[4].setSection("1");
+        session.courseList[4].setTime("B");
+        session.courseList[4].setTeacher("T2");
+        session.courseList[4].setTa("A");
+
+        //for Course C 2
+        session.courseList[5].setCourseName("Course C");
+        session.courseList[5].setSection("2");
+        session.courseList[5].setTime("C");
+        session.courseList[5].setTeacher("T1");
+        session.courseList[5].setTa("B");
+
+
+    }
+
+
+    public static Session getSession()
+    {
+        if (session == null)
+        {
+            session = new Session();
+        }
+        return session;
+    }
+
+    public Course[] getCourseList()
+    {
+        return courseList;
+    }
+
+    public User[] getUserList()
+    {
+        return userList;
+    }
+
+}