Factorial Program

https://www.javatpoint.com/factorial-program-in-java

http://www.programmingsimplified.com/java/source-code/java-program-find-factorial

Tree Map

https://www.javatpoint.com/java-treemap

Linked Hash Map

https://www.javatpoint.com/java-linkedhashmap

Map

https://www.javatpoint.com/java-map

Blocking Queue

http://www.journaldev.com/1034/java-blockingqueue-example

Priority Queue

https://www.javatpoint.com/java-priorityqueue

Queue

http://www.geeksforgeeks.org/queue-interface-java/

Linked Hash Set

https://www.javatpoint.com/java-linkedhashset

https://www.tutorialspoint.com/java/java_linkedhashset_class.htm

Hash Set

https://www.javatpoint.com/java-hashset

Tree Set

https://www.javatpoint.com/java-treeset

Navigable Set

http://www.geeksforgeeks.org/navigableset-java-examples/

http://tutorials.jenkov.com/java-collections/navigableset.html

Sorted Set

https://www.tutorialspoint.com/java/java_sortedset_interface.htm

http://www.java2s.com/Tutorials/Java/Java_Collection/0110__Java_Sorted_Set.htm

Stack

https://www.tutorialspoint.com/java/java_stack_class.htm

http://www.java2novice.com/data-structures-in-java/stacks/

Vector

https://www.youtube.com/watch?v=-hm6rsjaRsU

https://www.tutorialspoint.com/java/java_vector_class.htm

http://beginnersbook.com/2013/12/vector-in-java/

Linked List

https://www.javatpoint.com/java-linkedlist

Array List

https://www.javatpoint.com/java-arraylist

Break

https://www.tutorialspoint.com/java/java_break_statement.htm

https://www.javatpoint.com/java-break

Continue

http://www.java-examples.com/continue-statement

https://www.tutorialspoint.com/java/java_continue_statement.htm

https://www.javatpoint.com/java-continue

Do While Loop

https://www.tutorialspoint.com/java/java_do_while_loop.htm

https://www.javatpoint.com/java-do-while-loop

http://beginnersbook.com/2015/03/do-while-loop-in-java-with-example/

For Each Loop

https://www.javatpoint.com/for-each-loop

https://examples.javacodegeeks.com/core-java/java-for-each-loop-example/

While Loop

https://www.tutorialspoint.com/java/java_while_loop.htm

https://www.javatpoint.com/java-while-loop

For Loop

https://www.javatpoint.com/java-for-loop

https://www.tutorialspoint.com/java/java_for_loop.htm

http://www.java-examples.com/loop

Static Class

http://www.geeksforgeeks.org/static-class-in-java/

Interrupt Testing

http://www.guru99.com/interrupt-testing.html

http://www.trigent.com/blog/the-what-when-why-of-interrupt-mobile-interrupt-testing/

Hash Table

http://www.sanfoundry.com/java-program-implement-hash-tables/

https://www.javatpoint.com/java-hashtable

https://www.tutorialspoint.com/java/java_hashtable_class.htm

http://www.java2novice.com/java-collections-and-util/hashtable/

What is Machine Learning?

https://www.sas.com/en_us/insights/analytics/machine-learning.html

Data Science vs Machine Learning vs AI vs Deep Learning vs Statistics

http://www.datasciencecentral.com/profiles/blogs/difference-between-machine-learning-data-science-ai-deep-learning

Configuring Appium Node Servers with Selenium Grid

http://www.zymr.com/configuring-appium-node-servers-with-selenium-grid/

Program to Swap Two Numbers

http://www.thecrazyprogrammer.com/2017/04/python-program-swap-two-numbers.html

Program to Check Whether a String is Palindrome or Not

https://www.programiz.com/python-programming/examples/palindrome

Selenium - Record Test Execution

http://automationtestingutilities.blogspot.in/2014/03/how-to-record-selenium-test-execution.html

http://selenium-ftindia.blogspot.in/2014/09/how-to-record-test-execution-as-video.html

http://rameshselenium.blogspot.in/2017/02/selenium-how-to-record-selenium.html

Mirror Android Phone Screen To PC Using Androidscreencast

http://www.software-testing-tutorials-automation.com/2016/01/sharemirror-android-phone-screen-to-pc.html

Record Appium Test Execution Video For Android App

http://www.software-testing-tutorials-automation.com/2016/01/record-appium-test-execution-video-for.html

Appium - Verify Element Present or Not

http://www.software-testing-tutorials-automation.com/2016/01/appium-android-verify-element-present.html#more

Appium - Type In Text Box Of Android App

http://www.software-testing-tutorials-automation.com/2016/01/appium-tutorial-type-in-text-box-of.html

Appium : Tap On Switch Button Of Android

http://www.software-testing-tutorials-automation.com/2016/01/appium-tap-on-switch-button-of-android.html

Appium - Select Check-box Of Android App

http://www.software-testing-tutorials-automation.com/2016/01/appium-select-check-box-of-android-app.html

Appium - Hide Android Keyboard During Test

http://www.software-testing-tutorials-automation.com/2016/02/appium-hide-android-keyboard-during-test.html

Appium - Select Item From Drop Down Of Android App

http://www.software-testing-tutorials-automation.com/2016/02/appium-select-item-from-drop-down-of.html

Appium - Select Radio Button Of Android App

http://www.software-testing-tutorials-automation.com/2016/02/appium-tutorials-select-radio-button-of.html

Appium - Retrieve Drop Down Values List Of Android App

http://www.software-testing-tutorials-automation.com/2016/02/appium-tutorials-retrieve-drop-down.html

Appium Android - Set Star Rating Bar Example

http://www.software-testing-tutorials-automation.com/2016/02/appium-android-set-star-rating-bar.html

Appium - Perform LongPress Using TouchAction In Android Dialer App

http://www.software-testing-tutorials-automation.com/2016/02/appium-perform-longpress-using.html

Payment Gateway Testing

Articles

https://www.360logica.com/blog/perform-payment-gateway-integration-testing/

https://www.softwaretestinghelp.com/payment-gateway-testing-tutorial/

https://www.guru99.com/payment-gateway-testing-tutorial-with-sample-test-cases.html

http://qavibes.blogspot.com/2018/08/mystery-behind-testing-integration-of.html

Appium - Screen Orientation

http://www.software-testing-tutorials-automation.com/2016/01/screen-orientation-in-appium-android.html

http://www.easybix.com/rotate-mobile-screen-using-appium/

Appium - Moving Seek Bar of Android App

http://www.software-testing-tutorials-automation.com/2016/01/appium-moving-seekbar-of-android-app.html

Appium - Start Stop Appium Server Programmatically

http://www.software-testing-tutorials-automation.com/2015/12/start-stop-appium-server.html

http://www.software-testing-tutorials-automation.com/2016/01/how-to-start-stop-appium-server.html

Appium - Capture Screenshot on Failure or Pass in Android App

http://www.software-testing-tutorials-automation.com/2015/12/appium-capture-screenshot-on-failure-or.html

Appium - Start Appium Server from Command Line

http://www.software-testing-tutorials-automation.com/2015/12/how-to-start-appium-node-server-from.html

Appium - Capture Screenshot in Android App

http://www.software-testing-tutorials-automation.com/2015/12/appium-capture-screenshot-android-app.html

Spinner Value Selection

http://www.software-testing-tutorials-automation.com/2015/12/appium-android-app-spinner-value.html

Set Date and Time in App

http://www.software-testing-tutorials-automation.com/2015/12/appium-set-date-and-time-in-android-app.html

Handle Alert Dialog

http://www.software-testing-tutorials-automation.com/2015/12/appium-how-to-handle-alert-dialog-of.html

MultiTouch Action

http://www.software-testing-tutorials-automation.com/2015/11/pefrorm-multitouch-action-using-appium.html

Scroll Horizontal Tabs

http://www.software-testing-tutorials-automation.com/2015/11/how-to-scroll-horizontal-tabs-using.html

Find Launcher Activity And Package Name Of Android App

http://www.software-testing-tutorials-automation.com/2015/10/find-launcher-activity-and-package-name.html

Install/Uninstall App In Emulator

http://www.software-testing-tutorials-automation.com/2015/10/installuninstall-app-in-emulator-avd-of.html

How To Create And Start An Android Virtual Device(Emulator) To Run Appium Test

http://www.software-testing-tutorials-automation.com/2015/10/how-to-create-and-start-android-virtual.html

Configure Project In Eclipse For Appium

http://www.software-testing-tutorials-automation.com/2015/10/configure-project-in-eclipse-for-appium.html

How To Find .Apk File Package Name And Launcher Activity Name

http://www.software-testing-tutorials-automation.com/2015/10/how-to-find-apk-file-package-name-and.html

Connect Android Device With PC In USB Debugging Mode

http://www.software-testing-tutorials-automation.com/2015/09/connect-android-device-with-pc-in-usb.html

Install Eclipse ADT Plugin

http://www.software-testing-tutorials-automation.com/2015/09/steps-to-install-eclipse-adt-plugin-to.html

Set Environment & Path Variable for Android

http://www.software-testing-tutorials-automation.com/2015/09/set-androidhome-and-path-environment.html

Download and Install JDK

http://www.software-testing-tutorials-automation.com/2015/09/steps-to-download-and-install-javajdk.html

Download and Install Android SDK

http://www.software-testing-tutorials-automation.com/2015/09/steps-to-download-and-install-android.html