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Do my Java homework. Clean OOP, tested and explained.

Senior Java engineers write your assignment to the rubric: clean class design, JUnit tests and a written explanation of every decision.

Java 8–21JUnit 5Maven / GradleSpring BootJavaFXIntelliJ / Eclipse

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What we cover

Every part of Java your course covers.

Core Java

Classes, inheritance, polymorphism
Interfaces, abstract classes, generics
Exceptions and file I/O
Collections and iterators

Data structures

Linked lists, stacks, queues
BSTs, AVL trees, heaps
Hash maps and sets
Graphs, BFS and DFS

Frameworks

Spring Boot REST APIs
JavaFX and Swing GUIs
JDBC and Hibernate
Maven, Gradle, JUnit

Advanced

Multithreading
Streams and lambdas
Sockets and networking
Design patterns

Example order

One Java order, start to finish.

What the student uploaded, what came back, and how the price was set.

01The brief

Intro to Object-Oriented ProgrammingUndergradDue in 3 days

Bank account hierarchy with JUnit tests

Design an abstract Account class with CheckingAccount and SavingsAccount subclasses. Savings accrue monthly interest, checking charges an overdraft fee, and invalid withdrawals throw a custom exception.

Requirements

Abstract base class with an encapsulated balance
Subclasses override withdraw() and monthEnd()
Custom InsufficientFundsException
JUnit 5 tests for every public method

02The solution

SavingsAccount.java22 lines

1/** Savings account that earns monthly interest. */

2public class SavingsAccount extends Account {

3 private final double annualRate; // 0.03 means 3%

5 public SavingsAccount(String id, double rate) {

6 super(id);

7 this.annualRate = rate;

8 }

10 @Override

11 public void withdraw(double amount) throws InsufficientFundsException {

12 // savings can never go negative, so no overdraft

13 if (amount > getBalance())

14 throw new InsufficientFundsException(amount - getBalance());

15 setBalance(getBalance() - amount);

16 }

18 @Override

19 public void monthEnd() {

20 setBalance(getBalance() * (1 + annualRate / 12));

21 }

22}

14 tests passing · javac 17 · 0 warnings

03The explanation doc

explanation.pdf

Why Account is abstract

There is no such thing as a plain account in the spec, so the base class can’t be instantiated. Shared state lives there once.

Overriding withdraw()

Each subclass owns its own rule: savings refuse to go negative, checking allows it and charges a fee.

Testing interest

Tests compare doubles with a 1e-9 tolerance, so rounding never causes false failures.

04The price

AI predicted budget

$70–$120

Level · UndergradIncluded

Deadline · 3 daysStandard

Shown before any contact details were shared.

Final price from our team

$95

Delivered 7h early

How it works

From upload to predicted budget in under a minute.

The AI does one job: it predicts your price. A senior engineer reviews your files and sets the final number.

01
Step 1 of 4
Upload your files
Prompt, rubric, starter code, or a screenshot of the task. PDF, DOCX, ZIP, code or images, in any mix.
02
Step 2 of 4
The AI asks what’s missing
It confirms your due date, then asks up to 3 questions your files don’t answer. Each one has an “I don’t know” option.
03
Step 3 of 4
See your predicted budget
A price range appears right away. No email, no sign-up.
04
Step 4 of 4
A senior engineer confirms your price
Leave your email. Within 5 minutes you get one fixed price. It never goes above the top of your range.

No payment to get a price. You pay only after you accept the fixed price. If the AI can’t price your files, an engineer emails you a price instead.

Typical orders

Common Java assignments and typical budgets.

OOP class hierarchy (bank, library, inventory)

$60–$120

Usually 2–3 days

typical range

Data structure implementation

$70–$150

Usually 2–4 days

typical range

JavaFX or Swing GUI app

$120–$260

Usually 4–6 days

typical range

Spring Boot REST API with a database

$180–$400

Usually 5–7 days

typical range

Your budget depends on your files, deadline and level. Upload them for your own prediction.

Guarantees

Every order is covered. In writing.

Full refund, in three cases

We miss your deadline. Your code still doesn’t meet your original brief after revisions. Or you cancel before an engineer starts.

Partial refunds, worked out in the open

Cancel after work starts, or keep part of the work: we refund the rest and show you how we worked it out first.

Refunds that move fast

We reply within 24 hours. Approved refunds go back to your card through Stripe within 2 business days.

Unlimited revisions for 14 days

We revise until it matches your original instructions. No fees.

Your price is capped

Your fixed price never goes above the top of your range.

How the cap works

NDA and privacy

Your name, school and files are never shared, sold or reused. Engineers never see your name or email.

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Processed by Stripe. We never see or store your card details.

Read the full refund policyFree. No email needed.

FAQ

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Which Java version do you use?

Whatever your course requires, from Java 8 to 21. Upload the starter code and we match it.

Can you work with my starter code and autograder?

Yes. We keep your package names, method signatures and file layout exactly as given.

Do you write the JUnit tests too?

Every Java order includes tests for public methods. If your course provides tests, we make sure they pass.

Is the predicted budget the final price?

Not exactly, but it’s capped. Our team reviews your files and sends one fixed price before you pay anything, and it never goes above the top of your range.

What if you miss my deadline?

You get a full refund, back to your card through Stripe. It’s in our refund policy, in writing.

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