105 lines
4.2 KiB
Java
105 lines
4.2 KiB
Java
package CourseRegistrationStarter;
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import java.util.Scanner;
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public class Main {
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static Scanner input = new Scanner(System.in);
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static Course x1 =new Course("Advanced Programming","AP1404",2);
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static Course x2 =new Course("Data Structures","DS2201",1);
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static Course x3 =new Course("Database Systems","DB3301",3);
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static RegistrationSystem n3 = new RegistrationSystem();
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static Student st = new Student("navid","41148");
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public static void main(String[] args) {
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n3.addCourseToSystem(x1);
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n3.addCourseToSystem(x2);
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n3.addCourseToSystem(x3);
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while(true){
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asli();
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}
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}
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public static boolean asli(){
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System.out.println("----Course Registration Menu ---"+"\n"+"1. Show all courses "+"\n"+"2. Register course"+"\n"+"3. Drop course"+"\n"+"4. Show my courses"+"\n"+"5. Exit"+"\n"+"Choose an option: ");
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int n1 = input.nextInt();
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if(n1 == 1){
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System.out.println("All courses in system: ");
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n3.showAllCourses();
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return (true);
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}else if (n1 ==2){
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System.out.println("Choos an option: ");
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System.out.println("1. Enter course code ");
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System.out.println("2. Enter course name ");
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int n2 = input.nextInt();
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input.nextLine();
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if (n2 == 1){
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System.out.println("Enter course code to register: ");
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String courseCode = input.nextLine();
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if(n3.findCourseByCode(courseCode) != null ){
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if (st.addCourse(n3.findCourseByCode(courseCode))){
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System.out.println("Registration was successful."+"\n");
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return(true);
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}
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}else{
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System.out.println("No course found with this code!"+"\n");
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return(true);
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}
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}else if (n2 == 2){
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System.out.println("Enter course name to register: ");
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String courseName = input.nextLine();
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if(n3.findCourseByName(courseName) != null ){
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if (st.addCourse(n3.findCourseByName(courseName))){
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System.out.println("Registration was successful."+"\n");
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return(true);
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}
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}else{
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System.out.println("No course found with this name!"+"\n");
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return(true);
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}
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}
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}else if (n1==3){
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System.out.println("Choos an option: ");
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System.out.println("1. Enter course code ");
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System.out.println("2. Enter course name ");
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int n2 = input.nextInt();
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input.nextLine();
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if (n2 == 1){
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System.out.println("Enter course code to register: ");
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String courseCode = input.nextLine();
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if(n3.findCourseByCode(courseCode) != null ){
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if (st.dropCourse(n3.findCourseByCode(courseCode))){
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System.out.println("Course dropped successfully."+"\n");
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return (true);
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}
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}else{
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System.out.println("No course found with this code!"+"\n");
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return(true);
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}
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}else if (n2==2){
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System.out.println("Enter course name to register: ");
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String courseName = input.nextLine();
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if(n3.findCourseByName(courseName) != null ){
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if (st.dropCourse(n3.findCourseByName(courseName))){
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System.out.println("Course dropped successfully."+"\n");
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return (true);
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}
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}else{
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System.out.println("No course found with this name!"+"\n");
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return(true);
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}
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}
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return (true);
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}else if (n1==4 ){
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System.out.println("Registered courses for "+ st.getName()+":");
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st.showRegisteredCourses();
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return (true);
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}else if (n1==5 ){
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System.exit(0);
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return (true);
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}
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return false;
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}
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}
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