Copyright Notice and Running Client-Server Programs

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Which method in the Student class is used to retrieve the gender of a student?

getYr()

getID()

getName()

getGender() (correct)

What is the purpose of the setID method that takes a String as a parameter?

It is not a valid method signature in the Student class.

It sets the ID using the String value directly.

It updates the course with the String value.

It converts the String parameter to an int and sets the ID. (correct)

If you wanted to change the name of a Student object, which method would you use?

setID(int id)

setID(String id)

setName(String n) (correct)

setCourse(String c)

Which method would you use to get the course of a Student object?

getCourse() Signup and view all the answers

What will happen if you call setID(555) on a Student object?

It will update the ID directly to 555. Signup and view all the answers

If you wanted to obtain the year of a Student object, which method should be used?

getYr() Signup and view all the answers

Which type of classes are suggested for reading and writing data other than text?

Classes descended from InputStream and OutputStream Signup and view all the answers

What characteristic is advised when choosing a writer class for sending data?

Auto flush option Signup and view all the answers

Which of the following is a sample class that can be used for reading data?

BufferedReader Signup and view all the answers

What should you explore to find a full list of Java classes for reading and writing data?

Java API documentation Signup and view all the answers

Why is it advised to choose buffered classes for reading and writing?

To improve performance by reducing I/O operations Signup and view all the answers

In the provided code snippet, what is the purpose of the 'streamWtr.println(input);' statement?

Sending client input to the server Signup and view all the answers

What does the 'streamRdr.readLine()' method in the code snippet do?

Reads a line of text from the server Signup and view all the answers

Which Java class is used for reading input in the provided code snippet?

Scanner Signup and view all the answers

What will be printed by the line 'System.out.println(streamRdr.readLine());' in the code snippet?

'You can vote' Signup and view all the answers

In the context of the code snippet, what is the purpose of the 'try' block?

Handling exceptions Signup and view all the answers

What is the purpose of using the Comparator in the provided server program?

To establish the basis of sorting for a list of students Signup and view all the answers

Which method is used to compare two Student objects in the provided server program?

compare(Student s1, Student s2) Signup and view all the answers

What type of list is being sorted in the provided server program?

ArrayList Signup and view all the answers

In the provided server program, what happens inside the try block?

Reading data from the client and processing it Signup and view all the answers

What port number is the ServerSocket initialized with in the provided server program?

1234 Signup and view all the answers

What is the role of ObjectOutputStream in the provided server program?

Writing the result of processing to the client Signup and view all the answers

What is required for the list of student objects to be written into a file according to the text?

The objects must implement the Serializable interface Signup and view all the answers

What is the consequence of not having the objects implement the Serializable interface?

The list of objects cannot be written into a file Signup and view all the answers

Which method is used for converting a file containing student information into a list of student objects?

Deserialization method Signup and view all the answers

What is the purpose of tagging or marking interfaces like the Serializable interface?

To mark classes so that specific actions can be taken at runtime Signup and view all the answers

Why is it important for both client and server programs to be running before attempting to connect according to the text?

To ensure the correct outcome of the program Signup and view all the answers

In the context of the program described, what is the purpose of using an object stream in the client program?

To serialize and write student objects into a file Signup and view all the answers