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thaycacac
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💃 add: passed & docs
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‎README.md‎

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Java
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# Java FPT
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This repo include all source code java when I learned in university.
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### PRO192 - Java Core
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- Code in class
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- Project in class (DuyDT)
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### PRJ311 - Desktop Java Applications
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- Bank for Practical Exam
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- Example Practical Exam
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### CSD201 - Data Structures and Algorithms
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- My Linked List
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- My Stack
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- Recursion
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- My Tree
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- My Graph
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- My Hash Table
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- My Sorting
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- Bank for Practical Exam
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- Example Practical Exam
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### LAB211 - OOP with Java Lab
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- Included three lesson that I passed (TuanVM)
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### LAB221 - Desktop Java Lab
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- Included two lesson that I passed (TuanVM)
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### PRJ321 - Web-based Java Applications
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- Code in class
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- Example Practical Exam
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### LAB231 - Web Java Lab
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Just included two lesson that I passed (TuanVM)

‎[LAB211] OOP with Java Lab/PASSED/J1.L.P0021/J1.L.P0021.docx‎

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‎[LAB211] OOP with Java Lab/PASSED/J1.L.P0021/J1.L.P0021.txt‎

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LAB211 AssignmentType:Long AssignmentCode:J1.L.P0021LOC:350Slot(s):5
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Title
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Create a Java console program to manage students.
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Background Context
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Write a program to manage information of student. The program implements terminology of Object Oriented Programming (OOP) paradigm. OOP is one of the best choosing ways to design software program.
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In this assignment, we will use ArrayList to store list of student. In fact, ArrayList is popular used to manipulate with data. ArrayList provides some useful methods, such as: add(), remove(), sort() ., etc.
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Program Specifications
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A student information consists of ID, Student Name, Semester, Course Name (There are only three courses: Java, .Net, C/C++). The program allows use to create list of student, update/delete student information. On the other hand, use can search student(s) and sort result by student name
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1. Main Screen as below:
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WELCOME TO STUDENT MANAGEMENT
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1. Create
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2. Find and Sort
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3. Update/Delete
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4. Report
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5. Exit
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(Please choose 1 to Create, 2 to Find and Sort, 3 to Update/Delete, 4 to Report and 5 to Exit program).
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2. Function details:
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There are 4 functions in Student Management Screen, as bellow:
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1. Create: user creates student by inputting information from keyboard. Use has to create at least 10 students, if number of students greater than 10, the program shows a message: Do you want to continue (Y/N)? Choose Y to continue, N to return main screen.
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2. Find/Sort: Find and list student (by name) and sort by name, it should display: Student name, semester and Course Name. User inputs student name or a part of student name.
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3. Update/Delete: The program allows user find a student by ID. After finding a student by Id, a question is displayed (Do you want to update (U) or delete (D) student. If user chooses U, the program allows user updating. Choose D for deleting student.
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4. Report: write a function to display student(s) with total Courses of this student, as: Student name, Course and Total of Course, for example:
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Student nameCourseNguyen Van AJavaNguyen Van AJavaNguyen Van B.NetNguyen Van BJava
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The report as below:
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Nguyen Van A | Java | 2
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Nguyen Van B | Java | 1
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Nguyen Van C | Java | 1
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Technical Requirements
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1. Using Object-Oriented programming style
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2. Use only core Java functions and classes.
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Guidelines
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SlotTaskDescription1- Code Design
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- Create studentStudent should create a Student class with attributes: id, studentName, semester and courseName2- Find and sort studentShould Collections.sort() and overwrite compare() method in Comparator interface3- Update/Delete student4- Report5- Review programMentor reviews student�s program.

‎[LAB211] OOP with Java Lab/PASSED/J1.L.P0021/Main.java‎

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import java.util.ArrayList;
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/**
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*
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* @author THAYCACAC
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*/
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public class Main {
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public static void main(String[] args) {
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ArrayList<Student> ls = new ArrayList<>();
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Validation validation = new Validation();
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ls.add(new Student("1", "Pham Ngoc Hoa", "Spring", "java"));
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ls.add(new Student("2", "Do Quang Hiep", "Summer", ".net"));
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ls.add(new Student("3", "Nguyen Xuan Cuong", "Spring", "c/c++"));
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int count = 3;
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//loop until user want to exit program
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while (true) {
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//Show menu option
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Manager.menu();
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int choice = validation.checkInputIntLimit(1, 5);
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switch (choice) {
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case 1:
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Manager.createStudent(count, ls);
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break;
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case 2:
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Manager.findAndSort(ls);
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break;
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case 3:
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Manager.updateOrDelete(count, ls);
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break;
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case 4:
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Manager.report(ls);
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break;
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case 5:
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return;
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}
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}
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}
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}

‎[LAB211] OOP with Java Lab/PASSED/J1.L.P0021/Manager.java‎

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import java.util.ArrayList;
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import java.util.Collections;
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/**
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*
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* @author THAYCACAC
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*/
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public class Manager {
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//Show menu
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public static void menu() {
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System.out.println(" 1. Create");
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System.out.println(" 2. Find and Sort");
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System.out.println(" 3. Update/Delete");
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System.out.println(" 4. Report");
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System.out.println(" 5. Exit");
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System.out.print(" Enter your choice: ");
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}
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//Allow user create new student
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public static void createStudent(int count, ArrayList<Student> ls) {
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//if number of students greater than 10 ask user continue or not
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if (count > 10) {
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System.out.print("Do you want to continue (Y/N): ");
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if (!Validation.checkInputYN()) {
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return;
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}
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}
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//loop until user input not duplicate
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while (true) {
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System.out.print("Enter id: ");
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String id = Validation.checkInputString();
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System.out.print("Enter name student: ");
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String name = Validation.checkInputString();
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if (!Validation.checkIdExist(ls, id, name)) {
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System.err.println("Id has exist student. Pleas re-input.");
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continue;
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}
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System.out.print("Enter semester: ");
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String semester = Validation.checkInputString();
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System.out.print("Enter name course: ");
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String course = Validation.checkInputCourse();
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//check student exist or not
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if (Validation.checkStudentExist(ls, id, name, semester, course)) {
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ls.add(new Student(id, name, semester, course));
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count++;
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System.out.println("Add student success.");
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return;
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}
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System.err.println("Duplicate.");
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}
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}
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//Allow user create find and sort
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public static void findAndSort(ArrayList<Student> ls) {
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//check list empty
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if (ls.isEmpty()) {
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System.err.println("List empty.");
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return;
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}
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ArrayList<Student> listStudentFindByName = listStudentFindByName(ls);
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if (listStudentFindByName.isEmpty()) {
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System.err.println("Not exist.");
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} else {
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Collections.sort(listStudentFindByName);
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System.out.printf("%-15s%-15s%-15s\n", "Student name", "semester", "Course Name");
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//loop from first to last element of list student
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for (Student student : listStudentFindByName) {
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student.print();
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}
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}
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}
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//List student found by name
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public static ArrayList<Student> listStudentFindByName(ArrayList<Student> ls) {
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ArrayList<Student> listStudentFindByName = new ArrayList<>();
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System.out.print("Enter name to search: ");
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String name = Validation.checkInputString();
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for (Student student : ls) {
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//check student have name contains input
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if (student.getStudentName().contains(name)) {
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listStudentFindByName.add(student);
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}
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}
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return listStudentFindByName;
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}
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//Allow user update and delete
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public static void updateOrDelete(int count, ArrayList<Student> ls) {
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//if list empty
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if (ls.isEmpty()) {
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System.err.println("List empty.");
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return;
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}
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System.out.print("Enter id: ");
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String id = Validation.checkInputString();
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ArrayList<Student> listStudentFindByName = getListStudentById(ls, id);
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//check list empty
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if (listStudentFindByName.isEmpty()) {
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System.err.println("Not found student.");
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return;
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} else {
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Student student = getStudentByListFound(listStudentFindByName);
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System.out.print("Do you want to update (U) or delete (D) student: ");
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//check user want to update or delete
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if (Validation.checkInputUD()) {
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System.out.print("Enter name student: ");
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String name = Validation.checkInputString();
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System.out.print("Enter semester: ");
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String semester = Validation.checkInputString();
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System.out.print("Enter name course: ");
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String course = Validation.checkInputCourse();
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//check student exist or not
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if (Validation.checkStudentExist(ls, id, name, semester, course)) {
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student.setStudentName(name);
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student.setSemester(semester);
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student.setCourseName(course);
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System.err.println("Update success.");
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}
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return;
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} else {
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ls.remove(student);
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count--;
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System.err.println("Delete success.");
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return;
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}
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}
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}
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//Get student user want to update/delete in list found
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public static Student getStudentByListFound(ArrayList<Student> listStudentFindByName) {
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System.out.println("List student found: ");
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int count = 1;
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System.out.printf("%-10s%-15s%-15s%-15s\n", "Number", "Student name",
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"semester", "Course Name");
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//display list student found
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for (Student student : listStudentFindByName) {
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System.out.printf("%-10d%-15s%-15s%-15s\n", count,
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student.getStudentName(), student.getSemester(),
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student.getCourseName());
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count++;
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}
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System.out.print("Enter student: ");
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int choice = Validation.checkInputIntLimit(1, listStudentFindByName.size());
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return listStudentFindByName.get(choice - 1);
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}
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//Get list student find by id
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public static ArrayList<Student> getListStudentById(ArrayList<Student> ls, String id) {
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ArrayList<Student> getListStudentById = new ArrayList<>();
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for (Student student : ls) {
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if (id.equalsIgnoreCase(student.getId())) {
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getListStudentById.add(student);
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}
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}
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return getListStudentById;
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}
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//Print report
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public static void report(ArrayList<Student> ls) {
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if (ls.isEmpty()) {
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System.err.println("List empty.");
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return;
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}
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ArrayList<Report> lr = new ArrayList<>();
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int size = ls.size();
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for (int i = 0; i < size; i++) {
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int total = 0;
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for (Student student1 : ls) {
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for (Student student2 : ls) {
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if (student1.getId().equalsIgnoreCase(student2.getId())
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&& student1.getCourseName().equalsIgnoreCase(student2.getCourseName())) {
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total++;
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}
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}
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if (Validation.checkReportExist(lr, student1.getStudentName(),
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student1.getCourseName(), total)) {
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lr.add(new Report(student1.getStudentName(),
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student1.getCourseName(), total));
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}
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}
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}
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//print report
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for (int i = 0; i < lr.size(); i++) {
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System.out.printf("%-15s|%-10s|%-5d\n", lr.get(i).getStudentName(),
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lr.get(i).getCourseName(), lr.get(i).getTotalCourse());
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}
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}
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}

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