Java Programming Assignment

Java Programming Assignment

Java, a field within computer science, is a challenging yet intriguing subject that has been widely studied. It demands significant effort and time for programming and execution. At Elite academic brokers, we offer exceptional assistance with Java programming assignments.

Students pursuing this course must grasp various concepts to succeed and progress in their careers. Coding plays a crucial role in Java, aiding in program development.

This aspect of Java programming can be intricate, especially for beginners who must understand languages like C programming before delving into Java. C programming, being a structured language, is comparatively easier to grasp than Java, which requires a more advanced understanding of object-oriented programming.

Object-oriented programming is a high-level language used to develop complex systems like those in the banking sector. Many students find Java programming assignments challenging, resulting in lower grades, which could potentially impact their future careers in software development and computer science.

Students’ common difficulties include a lack of time due to numerous assignments, which leads to immense pressure, difficulties comprehending various concepts, and other factors.

Poor academic grades are not encouraging and do not reflect well on a student’s Java programming career. Most students, in turn, look for help with Java programming assignments from different websites for quality work.

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What Is Java Programming

Java is a high-level programming language developed in 1995 by Sun Microsystems, producing software for multiple programs.

James Gosling changed Java’s name from Oak, and he is known as the father of Java. A Java platform is a collection of programs designed to help programmers develop and run programming applications efficiently.

This includes any hardware or software environment where these applications are run. The different types of Java platforms include the following:

• Java Standard Edition (Java SE). This is used for database access, XML parsing, networking, graphical user interface development, and security.
• Java Enterprise Edition (Java EE) is used to develop web and enterprise applications, which are built on top of the Java Standard Edition platform.
• Java Micro Edition (Java ME) is mainly used on small devices and to develop mobile applications.
• Java FX. It uses a lightweight user interface API to develop rich internet applications.

Features of Java Programming

• Designed for building object-oriented applications.
• It is simple, easy to use, and learn.
• It is multi-threaded, making it possible to write and run programs simultaneously, performing many tasks.
• It is secure since it enables us to develop virus-free systems.
• Platform independent, where some programs developed on one machine can be executed on another.
• High performance is enabled with just-in-time compilers.
• Distributed where it is designed or created for the distributed environment of the internet.

Listed above are a few features among many others in Java programming. These features explain more about Java and explain why it should be used.

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Java Programs

• Pattern programs
• Java String programs
• Java Basic programs
• Java Conversion programs
• Tree programs
• Java Searching and Sorting Programs
• Singly Linked List programs
• Circular Linked List programs
• Doubly Linked List programs
• Java Array programs
• Java Matrix programs

Applications of Java Programming

Java is widely used in many different areas to solve various problems. The applications of Java programming projects include the following:

• It is used for big data analytics
• It is used for developing Android apps
• It has a wide range of mobile applications
• It helps create enterprise software
• It is used for server-side technologies like GlassFish, Apache, JBoss, and others

There are many other Java applications besides the ones listed above. At elite academic brokers, we can assist you in writing any of the above programs. Our Java programming experts have knowledge and experience in the field and can do any Java assignment.

Various topics for Java programming assignments help

The following are topics that our Java programming experts will assist you with.

Introduction and fundamentals of Java programming topics

For you to have a very good foundation in Java programming. You will need to understand the introduction to Java programming. This will enable you to understand the basic units of programs. Some of these are data structures, methods, classes, etc.

Control Statements

As a newbie in programming, you will need to learn control statements. Different programming languages have similar control structures, with only a slight difference. Various control statements are based on what you want your program to do. The control statements are the following: If statement, case statement, for statement, etc.

Java Object-oriented

You may or may not have encountered other object-oriented programming. If you have, the object programming may be in your figure tips. Objects are software bundles of data and related methods.

An object must have a state and behaviour. You cannot understand without knowing the class. A class is a blueprint for creating an object.

Java Inheritance

Java programming is structured so some classes inherit other functionality from main classes. One object acquires all the properties and behaviours of a parent object.

Java Array

These store multiple values in a single variable instead of declaring separate variables for each value. We use arrays, which must be of the same data type.

Java Polymorphism

This is an object’s ability to take different forms. It is used when a parent class reference refers to a child class object.

Java Encapsulation

This process is wrapping code and data together into a single unit.

Java Abstraction

It is a process of hiding the implementation details and showing only functionality to the user.

Java Advanced

After understanding Java’s central concepts, you will be ready to go to the next step, which is more advanced than basic Java.

Core Java Terms

1. Class – A blueprint for creating objects; defines properties and behaviours (methods).
2. Object – An instance of a class that holds data and behaviour.
3. Method – A block of code within a class that performs a specific task.
4. Constructor – A special method used to initialise objects.
5. Variable – A named memory location to store data.
6. Data Types – Define the type of data a variable can hold (e.g., int, double, boolean, String).
7. Interface – An abstract type used to define a contract for classes to implement.
8. Abstract Class – A class that cannot be instantiated and can contain abstract methods.

Object-Oriented Programming (OOP) Terms

1. Inheritance – Allows a class to inherit properties and methods from another class.
2. Encapsulation – Wrapping data and methods into a single unit and restricting access.
3. Polymorphism – Ability of an object to take many forms (e.g., method overloading/overriding).
4. Abstraction – Hiding complex implementation details and showing only the necessary features.

Control Structures

1. if / else – Conditional statements for decision making.
2. switch – Selects one of many code blocks to execute.
3. for / while / do-while – Looping structures for repeated execution.

Exception Handling

1. try-catch – Blocks used to handle exceptions (errors).
2. throw – Used to throw an exception explicitly.
3. throws – Declares the exceptions a method might throw.
4. finally – Block that always executes after try-catch.

Java API & Libraries

1. ArrayList – A resizable array from the java.util package.
2. HashMap – A key-value pair data structure.
3. Scanner – Used for input from the user.
4. BufferedReader – Reads text from an input stream efficiently.

Advanced Java Concepts

1. Multithreading – Running multiple threads simultaneously.
2. Synchronisation – Prevents thread interference in multithreading.
3. JVM (Java Virtual Machine) – Executes compiled Java bytecode.
4. JDK (Java Development Kit) – Tools for developing Java programs.
5. JRE (Java Runtime Environment) – Environment to run Java applications.

File Handling

1. FileReader / FileWriter – For reading/writing character files.
2. InputStream / OutputStream – For reading/writing byte streams.

Keywords

Some important reserved words in Java:

• static, final, this, super, return, break, continue, new, import, package, implements, extends

Some of the Samples of Java programs that our Java programming experts encounter every day

The following is an example of a Java client-server program

• Client-side Java programming program

import java.net.*;

import java.io.*;

public class HelloClient {

    public static void main(String [] args) {

      String serverName = args[0];

      int port = Integer.parseInt(args[1]);

      try {

         System.out.println(“Connecting to ” + serverName + ” on port ” + port);

         Socket client = new Socket(serverName, port);

                  System.out.println(“Just connected to ” + client.getRemoteSocketAddress());

         OutputStream outToServer = client.getOutputStream();

         DataOutputStream out = new DataOutputStream(outToServer);

                  out.writeUTF(“Hello from ” + client.getLocalSocketAddress());

         InputStream inFromServer = client.getInputStream();

         DataInputStream in = new DataInputStream(inFromServer);

                  System.out.println(“Server says ” + in.readUTF());

         client.close();

      } catch (IOException e) {

         e.printStackTrace();

      }

   }

}

Server side Java programming program

import java.net.*;

import java.io.*;

public class HelloServer extends Thread {

   private ServerSocket serverSocket;

   public HelloServer(int port) throws IOException {

      serverSocket = new ServerSocket(port);

      serverSocket.setSoTimeout(10000);

   }

    public void run() {

      while(true) {

         try {

            System.out.println(“Waiting for client on port ” +

               serverSocket.getLocalPort() + “…”);

            Socket server = serverSocket.accept();

                        System.out.println(“Just connected to ” + server.getRemoteSocketAddress());

            DataInputStream in = new DataInputStream(server.getInputStream());

            System.out.println(in.readUTF());

            DataOutputStream out = new DataOutputStream(server.getOutputStream());

            out.writeUTF(“Thank you for connecting to ” + server.getLocalSocketAddress()

               + “\nGoodbye!”);

            server.close();

                     } catch (SocketTimeoutException s) {

            System.out.println(“Socket timed out!”);

            break;

         } catch (IOException e) {

            e.printStackTrace();

            break;

         }

      }

   }

      public static void main(String [] args) {

      int port = Integer.parseInt(args[0]);

      try {

         Thread t = new GreetingServer(port);

         t.start();

      } catch (IOException e) {

         e.printStackTrace();

      }

   }

}

Java Project Ideas

1. Online bookstore management system: Develop a Java-based web application for managing an online bookstore, including inventory management, order processing, payment processing, and customer account management.
2. Health monitoring system: Develop a Java-based desktop or web application that monitors and analyses health data from wearable devices and provides feedback and recommendations for healthy living.
3. Social network platform: Create a Java-based social network platform that allows users to create profiles, connect with friends, share content, and join groups.
4. E-commerce website: Develop a Java-based e-commerce website for selling products or services online, including shopping cart functionality, payment processing, and order management.
5. Online quiz application: Create a Java-based web application that allows users to take quizzes on a variety of subjects. The application should feature features such as randomisation of questions and answers, time limits, and scoring.
6. Banking management system: Develop a Java-based desktop or web application for managing bank accounts, transactions, and customer information.
7. Stock market analysis tool: Create a Java-based desktop or web application that analyses stock market data and provides recommendations for buying and selling stocks.
8. Music player application: Develop a Java-based music player application that allows users to play, manage, and organise music files on their computer.

11. Chat application: Develop a Java-based desktop or web application for real-time messaging between users, with features like file sharing and group chat.
12. Employee management system: Create a Java-based desktop or web application for managing employee information, including hiring, payroll, and performance tracking.
13. Restaurant management system: Develop a Java-based application for managing restaurant orders, inventory, and staff scheduling.
14. Video game development: Use Java to develop a video game, with features such as 2D or 3D graphics, physics simulations, and AI.
15. Weather forecasting application: Create a Java-based desktop or web application that displays weather information and provides forecasts based on location.
16. News aggregation platform: Develop a Java-based platform for aggregating and displaying news articles from multiple sources, with features like topic categorisation and personalised news feeds.
17. Car rental system: Create a Java-based web application for renting cars, including reservation management, payment processing, and vehicle inventory tracking.

Java programming assignment questions

We’ll explore some common Java programming assignment questions and provide tips on approaching them, which can give students Java project ideas.

1. Write a program to find the maximum of three numbers.

One common programming assignment is to write a program that finds the maximum of three numbers. This relatively straightforward task can be accomplished with an if-else statement or the Math.max() method.

Here’s an example of how you might use an if-else statement to find the maximum of three numbers:

import java.util.Scanner;

public class MaxOfThree {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);

System.out.print(“Enter three numbers: “);
int num1 = input.nextInt();
int num2 = input.nextInt();
int num3 = input.nextInt();

int max = num1;
if (num2 > max) {
max = num2;
}
if (num3 > max) {
max = num3;
}

System.out.println(“The maximum number is ” + max);
}
}

• Write a program to calculate the area of a circle.

Another common programming assignment is to write a program that calculates the area of a circle. This requires knowledge of the formula for the area of a circle, which is pi * r^2.

Here’s an example of how you might use Java to calculate the area of a circle:

import java.util.Scanner;

public class CircleArea {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);

System.out.print(“Enter the radius of the circle: “);
double radius = input.nextDouble();

double area = Math.PI * Math.pow(radius, 2);

System.out.println(“The area of the circle is ” + area);
}
}

3. Write a program to sort an array of integers.

Sorting an array of integers is a common programming task requiring knowledge of sorting algorithms such as bubble, selection, and merge.

Here’s an example of how you might use Java to sort an array of integers using bubble sort:

import java.util.Scanner;

public class ArraySort {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);

System.out.print(“Enter the size of the array: “);
int size = input.nextInt();

int[] arr = new int[size];

System.out.print(“Enter the elements of the array: “);
for (int i = 0; i < size; i++) {
arr[i] = input.nextInt();
}

// Bubble sort algorithm
for (int i = 0; i < size – 1; i++) {
for (int j = 0; j < size – i – 1; j++) {
if (arr[j] > arr[j+1]) {
int temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}

System.out.print(“The sorted array is: “);
for (int i = 0; i < size; i++) {
System.out.print(arr[i] + ” “);
}
}
}

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