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java
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import java.util.ArrayList; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Welcome to Platonus!"); while (true){ System.out.println("1) Add new student \n" + "2) Display all students in system \n" + "3) Delete particular student from system \n" + "4) Display rating of students (sorted by GPA) \n" + "5) Exit "); System.out.println("Input the number: "); } int choice = sc.nextInt(); ArrayList<Student> students = new ArrayList<>(); switch (choice) { case 1: String fullName = sc.nextLine(); double gpa = sc.nextDouble(); students.add(new Student(fullName, gpa)); break; case 2: for (int i = 0; i < students.size(); i++) { System.out.println(students.get(i).toString()); } break; default: System.out.println("Something wrong"); break; } } }
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