Design Patterns in Java

Get all the Details about Design Patterns in Java

Softecks · in.softecks.designpatternsinjava

Not rated yet 10K+ downloads v4.0 42.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 42.5 MB All versions

Signature matches the Google Play version Details

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At a glance

Latest version: v4.0 (14)
Updated: Sep 3, 2026 (1 month ago)
APK size: 42.5 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Education (app)
Listed since: May 1, 2021 (at least)
Permissions: 13
Website: softecks.in
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Design Patterns in Java is an app by Softecks in the Education category, listed since at least May 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.1, the minimum Android version rose from 5.0 to 6.0. It asks for 13 permissions, none of them sensitive. Compared with version 3.1, it adds 5 new permissions: “Access adservices ad id”, “Access adservices attribution”, “Access adservices topics” and 2 more. The app can read the advertising ID that ad and analytics services use.

What's new in v4.0

App contents re-structured How to Section added Design Improvements

Description

From the listing uploaded by “appupdater”.

✴ Design patterns are programming language independent strategies for solving the common object-oriented design problems. That means, a design pattern represents an idea, not a particular implementation.✴ ► By using the design patterns you can make your code more flexible, reusable and maintainable. It is the most important part because java internally follows design patterns.✦ ► To become a professional software developer, you must know at least some popular solutions (i.e. design patterns) to the coding problems.✦ 【Topics Covered in this App are Listed Below】 ⇢ Design Pattern – Overview ⇢ Factory Pattern ⇢ Abstract Factory Pattern ⇢ Singleton Pattern ⇢ Builder Pattern ⇢ Prototype Pattern ⇢ Adapter Pattern ⇢ Bridge Pattern ⇢ Filter/Criteria Pattern ⇢ Composite Pattern ⇢ Decorator Pattern ⇢ Facade Pattern ⇢ Flyweight Pattern ⇢ Proxy Pattern ⇢ Chain of Responsibility Pattern ⇢ Command Pattern ⇢ Interpreter Pattern ⇢ Iterator Pattern ⇢ Mediator Pattern ⇢ Memento Pattern ⇢ Observer Pattern ⇢ State Pattern ⇢ Null Object Pattern ⇢ Strategy Pattern ⇢ Template Pattern ⇢ Visitor Pattern ⇢ MVC Pattern ⇢ Business Delegate Pattern ⇢ Composite Entity Pattern ⇢ Data Access Object Pattern ⇢ Front Controller Pattern ⇢ Intercepting Filter Pattern ⇢ Service Locator Pattern ⇢ Transfer Object Pattern ⇢ Eager initialization ⇢ Lazy initialization ⇢ Static block initialization ⇢ Bill pugh solution ⇢ Background information of factory pattern ⇢ Strategy Design Pattern ⇢ Single Responsibility Principle ⇢ The Open/Closed Principle and Strategy Pattern ⇢ Liskov’s Substitution Principle (LSP) ⇢ Interface Segregation Principle (ISP) ⇢ The Dependency Inversion Principle ⇢ Copy Constructor in Java ⇢ Cloning using In-memory Serialization ⇢ Fluent Interfaces ⇢ Using Enum ⇢ Adding readResolve() ⇢ Adding a serial version id ⇢ The Vector Class

Version history

2 versions are listed, going back to v3.1. Since v4.0 it requires Android 6.0+.

v4.0 LATEST Sep 3, 2026 42.5 MB TRUSTED v3.1 Oct 7, 2023 14.5 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 3, 2026.
Certificate issued to “Softecks” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Sep 3, 2026
Validated against Google Play Sep 3, 2026
Signed byCN=Rajil Tl, OU=App development, O=Softecks, L=Mumbai, ST=Maharashtra, C=IN
Signing certificate (SHA-1)A9:B9:9D:F5:13:AA:85:D7:F9:72:0E:AD:6A:83:8D:51:85:E7:34:F4
File MD5244e4358a32142fdd20451ca31edaa14
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (13)

Design Patterns in Java requests 13 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) in.softecks.designpatternsinjava.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Design Patterns in Java APK: questions and answers

Is there a version of Design Patterns in Java for older Android phones?

The current version needs Android 6.0 or later. Version 3.1 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.1 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Design Patterns in Java APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 244e4358a32142fdd20451ca31edaa14.