Celsior Technologies Interview Questions, Process, and Tips

Q1. Technical interview questions followed by coding test
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Q2. Technical questions on Angular, .net
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Q1. Technical interview questions involving architecture, design patterns
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Core Java programming, selenium questions

Q1. Technical Round with Manager
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Q2. Java related questions - String based
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Q1. ETL basic and scenario based question mostly would be taken up by TL
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Q1. ETL basics and previous work experience and project related mostly would be with Manager
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Q1. Salary discussion, about celsior company, benifits, etc
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Q1. Usage of Oops in framework
Ans. 
Object-oriented programming principles are used in framework design to improve code reusability, maintainability, and scalability.
• Encapsulation: Encapsulating data and behavior within classes to hide implementation details.

• Inheritance: Reusing code and extending functionality through parent-child class relationships.

• Polymorphism: Allowing objects of different classes to be treated as objects of a common superclass.

• Abst...read more
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Q2. How to handle frames , nested frames
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Frames and nested frames in web applications can be handled using switchTo() method in Selenium WebDriver.
• Use driver.switchTo().frame() to switch to a frame by index, name or WebElement.

• To switch back to the default content, use driver.switchTo().defaultContent().

• For nested frames, switch to the parent frame first before switching to the child frame.
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Q3. How to handle web table elements
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Web table elements can be handled using various methods like locating elements, extracting data, and performing actions.
• Locate the table element using its xpath, id, class name, etc.

• Extract data from the table using methods like getText() or getAttribute().

• Perform actions like clicking on a specific cell or row based on the data in the table.
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Q4. Name some exceptions and how to handle them.
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Handling exceptions is crucial in software development to ensure smooth functioning of the application.
• Use try-catch blocks to handle exceptions gracefully

• Throw custom exceptions to provide more specific error messages

• Implement proper logging to track and troubleshoot exceptions

• Handle different types of exceptions such as NullPointerException, ArrayIndexOutOfBoundsException, and IOException
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Q5. Java basic questions
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Q6. String reverse program
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Program to reverse an array of strings
• Iterate through the array of strings

• For each string, reverse the characters

• Store the reversed strings in a new array
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Q7. Windows, alerts and select class
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Q8. Locators and Api status codes
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Q1. Permutation and combination program
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Q2. Behavioral questions.
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Q1. Why are you leaving your current organisation
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Q2. Your expectation from company
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