
Java Homework Help | Do my Java Homework
The Programming Assignment Help helps students globally with Java homework & projects. We have a team of 170+ Java programmers who can deliver instant Java coursework Help. When you ask us to 'do my Java homework', we connect you to the right programmer who can deliver the executable java code as per your requirements & based on the Java concepts that you were taught in your course. We customize the Java Homework solution exactly as per your needs.
Java programming has wide applications and is a very popular language in schools, universities & companies/ corporates. There is a huge demand for people who have knowledge of Java & hence it has become an important programming language in all IT & computer science courses. Many students spend a lot of time completing Java homework but cannot write clean code that is executable. If the code cannot be executed then the students do not get grades for that Java Homework. These students come to us seeking Java Assignment Help.
The Programming Assignment Help website has a team of Java developers who have extensive knowledge and experience working on various Java concepts to write the code and execute them flawlessly. Entrust us with the responsibility of your Java Homework and we will complete it on time as per the given requirement.
Why is it important to study Java & complete Java Homework?
Java is an object-oriented programming language that is used to develop web apps. It has become a popular choice for developers to use this for app development. It is also a multi-platform and network-oriented language that is also used as a platform. Java is highly secure and reliable to code everything starting from mobile apps to enterprise software and big data apps and server-side technologies.
The apps developed using this language can be used on computers, mobile devices, medical devices, gaming consoles, and so on. Portability is what Java offers. The best thing is that the code that is written in Java for a notebook computer can be reused for the app that you develop for a mobile device.
The Java programming language is object-oriented and therefore the code will have all classes and objects instead of functions and commands. The Java code written for one platform can be used and moved to other platforms for reusing. Java works on all platforms since the Java program when is compiled, the compiler will create a class byte-code file. It can be run on any operating system with Java virtual machine (JVM). It is easy to learn.
Why do students need Java Homework Help & Assignment Help?
Java is a popular choice amongst new-age Programmers
Java is designed for easier usage. Few of the reasons why developers love to use this language:
- Quality learning resources - Java has been in the market for a long time and therefore there are a lot of learning resources available for beginners. There are a lot of documentation available and courses to support developers to excel in this language. Beginners can learn Core Java and next can explore advanced Java.
- Many inbuilt functions as well as libraries - There is no need for developers to write functions as there are a lot of built-in functions and libraries which they can make use to use in the code.
- A lot of development tools - There are many tools that are supported by this programming language, which you can use for testing, editing, debugging, deployment and change management. Using these tools is cost-effective and saves your time.
- Highly secure - Java developers can download the code from any source and can run this in a secured environment without causing any harm to the application. The best thing is that the code that is from the untrusted source does not infect the host system. It is easy to configure the security levels in Java.
Java Libraries use in Java Homework & Assignments
Java programming language is used for business app development. These libraries can be used to develop enterprise-grade projects:
- Apache commons Homework Help - It is a library that is used as an extension to the core libraries available in Java. This general-purpose library will have various libraries such as Commons IO, Commons numbers, Commons Text, Commons CSV, Commons BSF and Commons Crypto.
- Java standard libraries Homework Help - These are the built-in libraries provided by Java, which are highly functional and robust. Some of such libraries include Java.util, Java.lang, Java.math, Java.net, and Java.io.
- Mockito Homework Help - It is an open-source mocking framework that can be used by developers to conduct unit tests. It helps developers to write tests. With the help of this library, developers can test if there are any dummy objects or redundant objects available.
Concepts That Will Help You Solve Java Homework & Assignments
How to create two different objects in Java?
To create two different objects in Java, you can follow these steps:
Define a class: First, define a class that you want to use to create objects.
For example, let's create a class called "Person":
public class Person {
String name;
int age;
}
How to print 5 numbers per line in Java?
To print 5 numbers per line in Java, you can use a loop to iterate through the numbers and use a counter to keep track of how many numbers have been printed on the current line. Once the counter reaches 5, print a newline character to start a new line. Repeat this process until all numbers have been printed. Here is an example code snippet:
int counter = 0;
for (int i = 1; i <= 25; i++) {
System.out.print(i + " ");
counter++;
if (counter == 5) {
System.out.println();
counter = 0;
}
}
How to get the sum of an array in Java?
To get the sum of an array in Java, you can use a loop to iterate through the array and add up all its elements. Here is an example code snippet:
int[] arr = { 1, 2, 3, 4, 5 };
int sum = 0;
for (int i = 0; i < arr.length; i++) {
sum += arr[i];
}
System.out.println("The sum of the array is: " + sum);
In this example, we have initialized an array of integers named "arr". Then, we have initialized a variable "sum" to 0, and used a for loop to iterate through the array and add up all its elements to the sum. Finally, we have printed the sum using System.out.println().
How do you count variables in Java?
In Java, you can count variables in a number of ways depending on what you mean by "count variables". Here are a few possibilities:
Counting the number of variables in a class: You can use the Java Reflection API to get a count of the variables defined in a class. Here is an example code snippet:
import java.lang.reflect.Field;
public class MyClass {
int x;
int y;
String s;
}
public class Main {
public static void main(String[] args) {
Field[] fields = MyClass.class.getDeclaredFields();
int count = fields.length;
System.out.println("The number of variables in MyClass is: " + count);
}
How to create a list of words in Java?
In Java, you can create a list of words by using the ArrayList class from the java.util package. Here is an example code snippet that shows how to create a list of words:
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
ArrayList words = new ArrayList();
words.add("apple");
words.add("banana");
words.add("cherry");
words.add("date");
words.add("elderberry");
System.out.println("List of words: " + words);
}
}
In this example, we have created an ArrayList of Strings named "words". We have then added five words to the list using the add() method, and printed the list using System.out.println(). You can add as many words to the list as needed by calling the add() method multiple times.
How do you create a node class in Java?
In Java, you can create a node class by defining a class that has at least two properties: a data property to hold the value of the node, and a next property to hold the reference to the next node in the list. Here is an example code snippet that shows how to create a simple node class:
public class Node {
int data;
Node next;
public Node(int data) {
this.data = data;
this.next = null;
}
}
In this example, we have defined a node class named "Node" with an integer data property and a Node next property. We have also defined a constructor that takes an integer argument and initializes the data property with that argument, and the next property to null. You can add more properties and methods to the node class depending on your requirements.
How do you generate a random 4 digit number in Java?
In Java, you can generate a random 4 digit number by using the java.util.Random class. Here is an example code snippet that shows how to generate a random 4 digit number:
import java.util.Random;
public class Main {
public static void main(String[] args) {
Random rand = new Random();
int min = 1000;
int max = 9999;
int randomNum = rand.nextInt((max - min) + 1) + min;
System.out.println("Random 4 digit number: " + randomNum);
}
}
In this example, we have created an instance of the Random class named "rand". We have then defined the minimum and maximum values of the 4 digit number, and generated a random number between them using the nextInt() method of the Random class. Finally, we have printed the random number using System.out.println(). You can use this code to generate as many random 4 digit numbers as needed.
Concepts Use in Java Homework Help
We have a committed team of 'Java Homework Help' Programmers who are available 24*7 to provide you with instant programming homework help services on all Java concepts. Our Java homework help specialists make sure to give you full support with your Java coding projects.
Some o the challenging Java Homework that students need support on are listed below:
Mobile Applications Homework Help - Java programming language is used for developing mobile apps. It is compatible to work with software such as Kotlin and Android Studio. Using this, you can run the class files on the Java virtual machine. The files are packaged in the Android application package (APK). Using Java and its OOPS concepts, there is better security offered to the apps developed for Android.
Desktop Applications Homework Help - It is easy for you to develop desktop applications in Java. It has the GUI development capability through Swing, JavaFX, and Abstract Windowing Toolkit (AWT). There are many pre-assembled components available such as menus, buttons and lists. Using the Swing toolkit, you can have access to advanced elements such as tables, trees, scroll panes and so on.
Web-based applications Homework Help - Java is used to develop web applications. It gives enough support through JSPs and Servlets. Using these technologies, it becomes easier to develop the app you require. It is easy to code and is highly secure and lets you develop various apps, which include health, education, insurance and social security.
Gaming Applications Homework Help - Java supports a 3D engine with excellent capability to design 3D games.
Some of the popular topics in Java on which our programming assignment experts work on a daily basis are listed below:
Java Fundamentals | Spring Framework |
Java control statement | Java servlets and server pages |
Java database and connectivity (JDBC) | |
Data structures | Web applications architecture |
Exception handling | Web server and web container |
Java AWT & Swing | Types of drivers |
Networking | Distributed multitier applications |
JavaFX | Sequential |
Java reflection | Repetition |
Java Applet | Exception Handling |
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Example of A Simple Java Code Written By Our Expert
Code for: Program that allows you to manage clients
Solution:
import java.util.*;
class clients {
public static void main(String[] args) {
String [][] customerlist = new String [10][4];
String option = "1"; // variable to store input option entered by user
int index = 0;
while (true)
{
// ---- Display the option to user
System.out.println("Do you want to:");
System.out.println("1. Add a customer");
System.out.println("2. Delete a customer");
System.out.println("3. Display the list of all customers");
System.out.println("4. Exit the program");
// --------------------------------------
Scanner sc= new Scanner(System.in); // Scanner to take input from user
option = sc.nextLine(); // read input entered by user
if (option.equals("4")) { // option chosen is 4 then exit the program
break;
} else {
if (option.equals("1")) { // option chosen is 1 i.e. add customer to the list
while (true) // while loop runs till user enters unique 3 digit code
{
System.out.println("Add the 3-digit code:");
String userCode = sc.nextLine(); // user enter 3 digit code
int found = 0;
// for loop to check if same 3 digit code is present in the list or not
for (int i= 0; i < index; i++) {
if (userCode.equals(customerlist[i][0])) { // code equality check
System.out.println("Mistake. This code is already taken."); // prints if code is already present in the list
found = 1;
break; // exit from the for loop
}
}
if (found == 0) { // if 3 digit code is not present then add the customer code into the list
customerlist[index][0] = userCode;
break;
}
}
System.out.println("Add name:"); // display
String userName = sc.nextLine(); // user enters client name
System.out.println("Add first name:"); // display
String userFname = sc.nextLine(); // user enters first name
System.out.println("Add the client's date of birth
:"); // display
String userDob = sc.nextLine(); // user enters date of birth
// Add information entered above to the list at position = index
customerlist[index][1] = userName;
customerlist[index][2] = userFname;
customerlist[index][3] = userDob;
// ------------------------------------
index += 1; // increment the index after adding the client to the list
}
else if (option.equals("2")) { // executes when option = 2
System.out.println("Add the 3-digit code:"); // display
String userCode = sc.nextLine(); // enter 3 digit code to perform delete operation
int found = 0;
// loop to check if the 3 digit code is present in the list
for (int i= 0; i < index; i++) {
if (userCode.equals(customerlist[i][0])) { // check equality condition
// replace the deleted customer to the last index customer and set the last index
// customer to null and decrease the index by 1
customerlist[i][0] = customerlist[index-1][0]; // set the found customer code to last customer code
customerlist[i][1] = customerlist[index-1][1]; // set the found customer name to last customer name
customerlist[i][2] = customerlist[index-1][2]; // set the found customer first name to last customer first name
customerlist[i][3] = customerlist[index-1][3]; // set the found customer date of birth to last customer date of birth
customerlist[index-1][0] = null; // set the last customer code to null
customerlist[index-1][0] = null; // set the last customer name to null
customerlist[index-1][0] = null; // set the last customer first name to null
customerlist[index-1][0] = null; // set the last customer date of birth to null
found = 1; // found the code to be deleted
index = index - 1; // decrease the current number by 1 after deletion
break;
}
}
if (found == 0) { // if 3 digit code is not present then display the message
System.out.println("Mistake. This code is not present.");
}
}
else if (option.equals("3")) // executes when user enter option = 3
{
System.out.println("Code Last name First name Date");
// loop to print the information of the customer as per requirements
for (int i = 0; i < index; i++) {
String clientInfo = customerlist[i][0]; // code
clientInfo += " " + customerlist[i][1]; // name
clientInfo += " " + customerlist[i][2]; // first name
clientInfo += " " + customerlist[i][3]; // date of birth
System.out.println(clientInfo); // display
}
}
}
//sc.close(); // close the scanner
}
}
}
If you are spending a lot of time writing homework on Java or finding it tough to find the solution for the given requirement, then seek the help of our team.