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Objective Questions with Answers

Objective Questions Java & Selenium

This part of the blog will help you to get an idea of the basic objective questions which would arise during the course. Also, these objective questions will clear all the doubts so that individuals can understand the concepts behind the same.

Questions & Answers

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Java

According to me we can run a java program with exceptional error or if I would be more specific than we can say run time errors. But there shouldn't be any syntax or compile error present in the code. java program error
CON is the Device driver name reserved by the MS-DOS. Likewise, there are few more names are reserved:
CON: Keyboard and display
PRN: System list device, usually a parallel port
AUX: Auxiliary device, usually a serial port
We can’t create any file or folder using these reserved keywords.
Yes. We can create two or more classes(with default access) in a single java file. But make sure that main() method should be defined under the main class. Here, the main class refers to the class having the same name of java file.
Yes. We can access a 'private' variable via getter and setter methods. While using these methods we don't need to have the real name of the variables. Reference: Parameterized Constructors v/s Setter and Getter function in JAVA.
We all know that constructors have been invoked whenever we create an object of the associated class. However, it is possible to invoke Constructors without creating any object of that class. We just need to call the Class using the below statement:
new ClassName(); Calling Constructor without Object
Top level class can never be private. Inner class can be private.

Try it Yourself!

Try it Yourself!

Try It yourself.

Try it Yourself!

Try it Yourself!

Try it Yourself!

Try it Yourself!

Try it Yourself!

Try it Yourself!

Try it Yourself!

Manual Testing

Now days technologies are changing at a rapid space.Few latest technologies are like:
  • VR(Virtual Reality): It creates a virtual environment to give you a live experience. Mainly used in gaming industry.
  • Block Chain: It supports decentralized and distributed digital ledger to support online transaction across multiple computres. Any record can not be altered retroactively withtout alteration in the subsequent blocks. A blockchain database managed by peer-to-peer network and distributed timestamp server.
  • RPA(Robotics Process Automation): It is a combination of softwares with Artificial Intelligence(AI) and Machine Learning capabilities. It handles repeatable, high-volume taks which requires lots of human effort previously. These includes queries, calculations, maintainance of records etc.
  • AI(Artificial Intelligence): Basically it is a program which instructs system to perform some task based on the pre-defined data sets.
  • ML(Machine Learning): We can say it a subset of AI, which provides a system ability to learn or take action based on the external data instead of programmed data. There are algorithms to analyze these data for prediction and performing action.
  • Big Data: Analysis of high volume and complex data sets or records to extract some useful information. It helps to understand some specific pattern like changes in customer need, trendings etc.
  • Cloud Computing: Basically it means providing data centers (storage, application access, security, etc) to multiple users simultaneously over the internet.
It depends on the project complexity, duration and budget. Below are the few trending Models:
  1. Fixed Price Model: If the requirements are clear to both customer and service provider. Also, customer has a budget constraint this model used. It mainly focuses on analyzing the work/effort and ensures that project is delivered in given time frame and under pre-defined budget.
  2. Time and Material Model: When the requirements are unclear or we can say complexity of project is unknown this model used. This model is also useful where volume of work is uncertain. Customer is getting charged based on the daily effort or hourly effort. In this model we have to finalize the per hour cost depending upon the skill set like Manager, Lead, Tech Lead, Architecht etc.
  3. Milestone Model: When the project is so long in terms of the duration and volume work, we can approach this model. In this we used to divide the entire project into multiple milestones which needs to be completed in certain time period. And the payment is done accordingly only for that completed milestones.


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            Ashok Kumar is working in an IT Company as a QA Consultant. He has started his career as a Test Trainee in manual testing in August 2010. Then he moves towards the automation testing after 4 years. He started learning JAVA and Selenium by self to get the knowledge of automation.

       While learning these tools and working on multiple projects, he found that sometimes people get stuck in live scenarios in their project and they have to do lots of RnD to get out of it. So he decided to start blogging only for such scenarios, where anyone facing any problem in their project, can ask any question or give a solution or you can say an alternate solution to achieve the goal successfully.

Later on, he observed that some people want to learn Java but they have few questions in their mind like how to start Java, whether we should go for the online or offline course. So he started writing tutorials on Java, Jira, Selenium, Excel etc.