FOR JAVA, JUST WRITE 2 METHODS INTO THIS CODE  Write two methods for: (1) removing a student from the lecture and (2) counting the students got higher grade than given threshold.   import java.io.Serializable; import java.rmi.Remote; import java.rmi.RemoteException;   public class Lecture implements Serializable {   private String name; private Student[] students;   public Lecture(String name, Student[] students) { this.name = name; this.students = students; }   public String getName() { return name; } public Student[] getStudents() { return students; } public void setName(String name) { this.name = name; } public void setStudents(Student[] students) { this.students = students; }   public Lecture initLecture() { Student[] tmp = {new Student(1, "Bilgi", 100)}; return new Lecture("CMPE261", tmp); } }   //STUDENT CLASS class Student {   private int id; private String name; private int grade;   public Student(int id, String name, int grade) { this.id = id; this.name = name; this.grade = grade; }   public int getId() { return id; } public String getName() { return name; } public int getGrade() { return grade; } public void setId(int id) { this.id = id; } public void setName(String name) { this.name = name; } public void setGrade(int grade) { this.grade = grade; } }     // ============================= // API // ============================= interface RMIInterface extends Remote { public void removeStudent(int id) throws RemoteException; public int countStudentsGetHigher(int threshold) throws RemoteException; public void readLectureFromFile(String fileName) throws RemoteException; public void saveLectureToFile(String fileName) throws RemoteException; }   class RMI implements RMIInterface {   private Lecture lecture;   // Remove the student (whose id is given in parameter) from lecture @Override public void removeStudent(int id) throws RemoteException { // *** FILL THIS METHOD FOR PART 1 *** }   // Counting the students got higher grade than given threshold @Override public int countStudentsGetHigher(int threshold) throws RemoteException { // *** FILL THIS METHOD FOR PART 1 *** return 0; }   @Override public void readLectureFromFile(String fileName) throws RemoteException { // *** FILL THIS METHOD FOR PART 2 *** }   @Override public void saveLectureToFile(String fileName) throws RemoteException { // *** FILL THIS METHOD FOR PART 2 *** }   }   //============================= // SERVER-SIDE //============================= class UniversityServer {   // rmi:rmi object for providing api // bindAddress: binding address of the stub(registry point) private RMI rmi; private String bindAddress;   public UniversityServer(RMI rmi, String bindAddress) { this.rmi = rmi; this.bindAddress = bindAddress; }   // open the server and wait clients to make requests public void openServer() { // *** FILL THIS METHOD FOR PART 3 *** }   }   //============================= // CLIENT-SIDE //============================= class TeacherClient {   // api:provides the methods for clients // bindAddress: binding address of the stub(registry point) private RMIInterface api; private String bindAddress;   public TeacherClient(String bindAddress) { this.bindAddress = bindAddress; }   // open the client side of the registry and request for removing the student from the lecture public void requestRemoveStudent(int id) { // *** FILL THIS METHOD FOR PART 4 *** }   // open the client side of the registry and request for counting the students who got higher than the threshold public int requestCountStudentsGetHigherGrade(int threshold) { // *** FILL THIS METHOD FOR PART 4 *** return 0; }   // open the client side of the registry and request for saving the lecture into a serial file public void requestSaveFile(String fileName) { // *** FILL THIS METHOD FOR PART 4 ***

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Author:James Kurose, Keith Ross
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FOR JAVA, JUST WRITE 2 METHODS INTO THIS CODE 

Write two methods for: (1) removing a student from the lecture and (2) counting the students got higher grade than given threshold.

 
import java.io.Serializable;
import java.rmi.Remote;
import java.rmi.RemoteException;
 
public class Lecture implements Serializable {
 
private String name;
private Student[] students;
 
public Lecture(String name, Student[] students) {
this.name = name;
this.students = students;
}
 
public String getName() {
return name;
}
public Student[] getStudents() {
return students;
}
public void setName(String name) {
this.name = name;
}
public void setStudents(Student[] students) {
this.students = students;
}
 
public Lecture initLecture() {
Student[] tmp = {new Student(1, "Bilgi", 100)};
return new Lecture("CMPE261", tmp);
}
}
 
//STUDENT CLASS
class Student {
 
private int id;
private String name;
private int grade;
 
public Student(int id, String name, int grade) {
this.id = id;
this.name = name;
this.grade = grade;
}
 
public int getId() {
return id;
}
public String getName() {
return name;
}
public int getGrade() {
return grade;
}
public void setId(int id) {
this.id = id;
}
public void setName(String name) {
this.name = name;
}
public void setGrade(int grade) {
this.grade = grade;
}
}
 
 
// =============================
// API
// =============================
interface RMIInterface extends Remote {
public void removeStudent(int id) throws RemoteException;
public int countStudentsGetHigher(int threshold) throws RemoteException;
public void readLectureFromFile(String fileName) throws RemoteException;
public void saveLectureToFile(String fileName) throws RemoteException;
}
 
class RMI implements RMIInterface {
 
private Lecture lecture;
 
// Remove the student (whose id is given in parameter) from lecture
@Override
public void removeStudent(int id) throws RemoteException {
// *** FILL THIS METHOD FOR PART 1 ***
}
 
// Counting the students got higher grade than given threshold
@Override
public int countStudentsGetHigher(int threshold) throws RemoteException {
// *** FILL THIS METHOD FOR PART 1 ***
return 0;
}
 
@Override
public void readLectureFromFile(String fileName) throws RemoteException {
// *** FILL THIS METHOD FOR PART 2 ***
}
 
@Override
public void saveLectureToFile(String fileName) throws RemoteException {
// *** FILL THIS METHOD FOR PART 2 ***
}
 
}
 
//=============================
// SERVER-SIDE
//=============================
class UniversityServer {
 
// rmi:rmi object for providing api
// bindAddress: binding address of the stub(registry point)
private RMI rmi;
private String bindAddress;
 
public UniversityServer(RMI rmi, String bindAddress) {
this.rmi = rmi;
this.bindAddress = bindAddress;
}
 
// open the server and wait clients to make requests
public void openServer() {
// *** FILL THIS METHOD FOR PART 3 ***
}
 
}
 
//=============================
// CLIENT-SIDE
//=============================
class TeacherClient {
 
// api:provides the methods for clients
// bindAddress: binding address of the stub(registry point)
private RMIInterface api;
private String bindAddress;
 
public TeacherClient(String bindAddress) {
this.bindAddress = bindAddress;
}
 
// open the client side of the registry and request for removing the student from the lecture
public void requestRemoveStudent(int id) {
// *** FILL THIS METHOD FOR PART 4 ***
}
 
// open the client side of the registry and request for counting the students who got higher than the threshold
public int requestCountStudentsGetHigherGrade(int threshold) {
// *** FILL THIS METHOD FOR PART 4 ***
return 0;
}
 
// open the client side of the registry and request for saving the lecture into a serial file
public void requestSaveFile(String fileName) {
// *** FILL THIS METHOD FOR PART 4 ***
}
}
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