# Java Interview Prep: DevDrill

> Java interview questions: daily MCQ drills with answers & explanations.

Canonical page: [https://chrome-stats.com/d/com.devdrill.app](https://chrome-stats.com/d/com.devdrill.app)

## Overview

- **ID:** `com.devdrill.app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Coding Center
- **Category:** EDUCATION
- **Downloads:** 22
- **Version:** 1.1.2
- **Last updated:** 2026-08-04
- **First published:** 2026-08-03
- **Publisher country:** IN
- **Size:** 24 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.devdrill.app)
- **Privacy policy:** [https://doc-hosting.flycricket.io/devdrill-privacy-policy/cf636b91-74c4-4780-ba6c-8f295366a2c6/privacy](https://doc-hosting.flycricket.io/devdrill-privacy-policy/cf636b91-74c4-4780-ba6c-8f295366a2c6/privacy)

## Description

Preparing for a Java developer interview? DevDrill turns interview prep into a daily habit. Get a fresh set of 10 Java interview questions every day, plus unlimited practice — each with a clear explanation so you actually learn, not just memorize.<br><br>WHY DEVDRILL<br>• Daily drill: 10 hand-picked Java interview questions every day<br>• Practice mode: keep going as long as you want<br>• Weak-area practice: the app tracks your accuracy and serves back the topics you keep getting wrong<br>• Real explanations: every answer explains the &quot;why&quot; — including tricky &quot;what&#39;s the output?&quot; code questions<br>• Track progress: streaks, attempts, and weekly performance charts keep you consistent<br><br>TOPICS COVERED<br>Core Java, OOP (inheritance, interfaces, abstract classes, polymorphism), collections, generics, exceptions, multithreading &amp; concurrency, the JVM &amp; memory, strings, lambdas &amp; streams, design patterns, and plenty of code-output puzzles — from fundamentals to advanced gotchas.<br><br>PICK YOUR LEVEL<br>Beginner, Intermediate, or Advanced — match the difficulty to where you are in your prep.<br><br>COMING SOON<br>DevDrill is growing beyond Java: Python is next, then JavaScript/TypeScript — one app for all your coding-interview prep.<br><br>Whether you&#39;re a student, a fresher preparing for your first coding interview, or an experienced developer brushing up, DevDrill helps you build the habit that gets you interview-ready.<br><br>Download DevDrill and start your daily drill today.

## Rankings

- #2,569,120 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.devdrill.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.devdrill.app)