Design Patterns in Java
v4.0 · 42.5 MB · code 14
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File information
UpdatedOct 9, 2025
PublishedMay 1, 2021
Packagein.softecks.designpatternsinjava
Versionv4.0 (14)
Size42.5 MB
MD5005aba11099fbe398a1c81aebb54fc29
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1A9:B9:9D:F5:13:AA:85:D7:F9:72:0E:AD:6A:83:8D:51:85:E7:34:F4
SignerCN=Rajil Tl, OU=App development, O=Softecks, L=Mumbai, ST=Maharashtra, C=IN
Total downloads10,000
This version10,000
DeveloperSoftecks
Age ratingEveryone
What's new in v4.0
App contents re-structured
How to Section added
Design Improvements
How to Section added
Design Improvements
Security scan
TRUSTED
- Developer signature verified 2025-10-09
- Signature SHA1 A9:B9:9D:F5:13:AA:85:D7:F9:72:0E:AD:6A:83:8D:51:85:E7:34:F4
- File MD5 005aba11099fbe398a1c81aebb54fc29
How to install Design Patterns in Java v4.0 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 42.5 MB of free storage.
- Grab in.softecks.designpatternsinjava_14.apk — hit the Download button above (42.5 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 005aba11099fbe39…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find in.softecks.designpatternsinjava_14.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Rajil Tl, OU=App development, O=Softecks, L=Mumbai, ST=Maharashtra, C=IN. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Design Patterns in Java — tap Open on the install screen, or find the Design Patterns in Java icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Design Patterns in Java
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 6.0 Marshmallow or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.