Coding Foundations
DSA in Java
Master data structures, algorithms, and Java problem solving from arrays to graphs.
Beginner to Advanced30 lectures170+ practice questions
main.jsOutputTerminal
// Level up your coding skills
function solve(arr) {
let max = -Infinity;
for (let i = 0; i < arr.length; i++) {
for (let j = i + 1; j < arr.length; j++) {
max = Math.max(max, arr[i] + arr[j]);
}
}
return max;
}
console.log(solve([1, 8, 3, 6, 10])); // 16Great job! Your code passed all test cases.
01
Learn with structure
Follow a clear course path instead of scattered tutorials.
02
Practice every module
Each topic connects to curated LeetCode problem sets.
03
Track your progress
Students can see completed modules and class updates.
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Learn from engineers who connect coding with real industry work.
LevelPro combines Java DSA practice, analytics thinking, automation discipline, and career mentorship so students build skill with context.
Founder & Lead Instructor
Harshit Gaur
Analytics engineering, AI workflows, system thinking, and career-ready coding mentorship.
Harshit brings 3+ years of enterprise data analytics and engineering experience across Monotype, Cheil Worldwide, and Publicis Sapient. He has led Adobe Analytics, Customer Journey Analytics, AEP, ETL, experimentation, dashboards, and RCA programs for global product and marketing teams.
3+
Years experience
8
Certifications
3
Research papers
$250K+
Cost savings
Data Analytics Engineer with 3+ years of experience
Adobe Analytics Architect, Adobe Target, RTCDP, Power BI, Azure and Databricks certified
Built ETL pipelines, dashboards, A/B testing frameworks, and AI/GenAI use cases
Published research across deep learning, medical imaging, and deepfake detection
PythonJavaScriptC++SQLDSAGenAIPower BIAdobe Analytics
DSA & Java Coding Instructor
Rahul Gupta
Java DSA, problem solving, automation testing habits, and interview-oriented coding practice.
Rahul trains students in Data Structures, Algorithms, and coding in Java with a practical engineer's lens. His background spans consulting, QA engineering, automation and manual testing, and Agile delivery.
5
Years experience
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Core language
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Training focus
QA
Testing expertise
Consultant at Snap-on Business Solutions
QA Engineer with 5 years of experience
Hands-on with Selenium, Java, Cucumber, Jira, Agile, and BDD
Focused on DSA foundations, coding discipline, and test-driven problem solving
JavaDSASeleniumCucumberJiraAgileBDDQA