Sample Programming Solutions for Learning Reference

These examples demonstrate how structured programming solutions are designed, documented, and explained. Each sample reflects academic formatting, clarity of logic, and proper coding practices.

The samples below are intended for educational reference to help students understand implementation approaches across different programming subjects.

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How to Use These Samples Responsibly

These examples are shared to help students understand problem-solving approaches, coding structure, and documentation standards. They should be used as reference material to strengthen learning and concept clarity.

Students are responsible for ensuring their work complies with their institution’s academic integrity policies.

Each sample solution highlights:

  • Clear problem understanding

  • Structured program design

  • Proper commenting and readability

  • Logical implementation

  • Standard academic formatting

These examples showcase how programming concepts can be applied in a practical academic setting. 

Programming Samples by Subject

Below are categorized examples across different programming areas.

Java Examples

Area Triangle Program

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Java Examples

QuickSort and Merge Implementation

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Java Examples

GUI Application Example

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Java Examples

Smallest and Largest Number Finder

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Java Examples

Minesweeper Game Java Project

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Java Examples

Multithreading Project

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Java Examples

Data Structures Implementation

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Java Examples

Grpah Sorting in Java Project

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Java Examples

Java exception handling Project

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Java Examples

Maven Project

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Java Examples

Network simulator Project

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Java Examples

Springboot Java

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Java Examples

JDBC Project

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Java Examples

Java Area Triangle Assignment

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Python Examples

Python Overloading Vector

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Python Examples

Python project using Pandas

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Python Examples

Python StatisticsProject

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Python Examples

Simple programs Using Python

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Python Examples

Stock Analyzer Using Python

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c++ Examples

C++ Hash Algorithm

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c++ Examples

fitness app C++ Sample

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c++ Examples

Change of base Sample C++

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c++ Examples

C++ graph

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c++ Examples

C++ POS System

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php Examples

PHP E-commerce Project

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php Examples

PHP Project Dating App sample

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Web Programming Examples

Website Layout

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Web Programming Examples

JavaScript sample

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Web Programming Examples

JavaScriprt Responsive Sample

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Web Programming Examples

Sample HTML Project

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Machine Learning Examples

ML Assignment Stock price prediction

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C Examples

C Programming sample Student grading

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C Examples

Sample C Multiple Ques

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C Examples

C Sample DSA

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C Examples

C Heap DSA

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C Examples

Bank Project

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R Samples

R Sample postit

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R Samples

House Data R Project

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R Samples

Rstudio Assignment

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Advanced Code Samples: Master the Logic Behind Modern Tech

From Predictive AI to High-Performance Computing, Explore real-world examples designed to bridge the gap between classroom theory and professional engineering. Just use these codes for learning purpose only. Our experts would love to provide you coding mentorship in case if you have any issues in understanding. 

Machine Learning: Predictive Modeling with Scikit-Learn

This script demonstrates how to predict student performance based on study hours using Linear Regression.

import pandas as pd
from sklearn.linear_model import LinearRegression
from sklearn.model_selection import train_test_split

# Loading local dataset for a US High School study
data = pd.read_csv('student_data.csv') 

# Preprocessing: Cleaning null values
data.fillna(method='ffill', inplace=True)

# Splitting Features (Study Hours) and Target (GPA)
X = data[['study_hours']]
y = data['gpa']

X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)

# Training the model
model = LinearRegression()
model.fit(X_train, y_train)

print(f"Predicted GPA: {model.predict([[10]])}") # Predict for 10 hours

Behind the Code:

  • Pandas: We use this to organize data into "DataFrames," which are like super-powered Excel sheets.
  • Train/Test Split: Standard practice in the US to ensure the model isn't just "memorizing" answers.
  • Linear Regression: The math used to find the "line of best fit" between study habits and success.

Parallel Computing: Multithreading in Java

Learn how to handle massive data by running multiple processes at once (Concurrent Programming).

class ComputeTask extends Thread {
    public void run() {
        try {
            System.out.println("Processor " + Thread.currentThread().getId() + " is running...");
            // Simulating high-intensity calculation
            Thread.sleep(500);
        } catch (InterruptedException e) {
            System.out.println("Task Interrupted");
        }
    }
}

public class MultiThreadMaster {
    public static void main(String[] args) {
        for (int i = 0; i < 5; i++) {
            ComputeTask thread = new ComputeTask();
            thread.start(); // Spawns a new independent thread
        }
    }
}

Behind the Code:

  • Thread Class: We extend the native Java Thread class to create custom background workers.
  • The start() Method: This doesn't just run code; it tells the CPU to handle this task on a separate core.
  • Use Case: This is how gaming engines handle physics and graphics simultaneously without freezing.

Complex Structures: Binary Search Tree (BST)

Master the O(log n) search efficiency required for competitive programming and AP CS exams.

struct Node {
    int key;
    Node *left, *right;
    Node(int item) {
        key = item;
        left = right = NULL;
    }
};

Node* insert(Node* node, int key) {
    if (node == NULL) return new Node(key);
    if (key < node->key)
        node->left = insert(node->left, key);
    else
        node->right = insert(node->right, key);
    return node;
}
// Logic: Keeps data sorted for lightning-fast retrieval

Behind the Code:

  • Pointers: Using *left and *right to link memory addresses manually.
  • Recursion: The function calls itself to find the perfect spot for new data in the "tree."
  • Efficiency: BSTs are the reason your phone can find a contact out of 1,000 names in a split second.

Database: Relational Joins & Subqueries

Professional back-end management using advanced relational logic.

SELECT 
    e.employee_name, 
    d.dept_name, 
    s.salary
FROM Employees e
JOIN Departments d ON e.dept_id = d.id
WHERE s.salary > (
    SELECT AVG(salary) FROM Salaries
)
ORDER BY s.salary DESC;

Behind the Code:

  • Inner Join: Merging three different data sources based on unique ID keys.
  • Subquery: The nested SELECT allows us to filter results based on a dynamic average rather than a hardcoded number.

Modern Web: React State Management

How dynamic U.S. websites handle user input without refreshing the page.

import React, { useState } from 'react';

function Counter() {
  const [count, setCount] = useState(0);

  return (
    <div>
      <p>Items in Cart: {count}</p>
      <button onClick={() => setCount(count + 1)}>
        Add to Cart
      </button>
    </div>
  );
}

Behind the Code:

  • useState Hook: This tells React to "watch" a variable and update the screen the millisecond it changes.
  • Declarative UI: You don't tell the browser *how* to change the HTML; you just change the data, and React handles the rest.

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