CGI Group QA Engineer Interview Questions and Answers

Aptitude and coding question

Q1. Types of exception in selenium
Ans. 
Types of exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, StaleElementReferenceException, TimeoutException, and WebDriverException.
• NoSuchElementException: Thrown when an element could not be found in the DOM.

• ElementNotVisibleException: Thrown when an element is present in the DOM but not visible.

• StaleElementReferenceException: Thrown when an element is no longer attached to the DOM.

• Tim...read more
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Questions related to apptitude, Selenium, TestNG, Java, c++

Q1. On Java Program
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Q2. On Selenium questions
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2 coding ques in 1 hr

Q1. Core java and oops
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Q2. Use of this keyword in java
Ans. 
The 'this' keyword in Java refers to the current instance of the class.
• Used to refer to instance variables or methods of the current object

• Can be used to differentiate between instance variables and local variables with the same name

• Can be passed as an argument to other methods
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Q3. Difference between final and finally
Ans. 
final is a keyword used in Java to declare constants, while finally is a block of code used in exception handling to ensure a piece of code is always executed.
• final is used to declare constants in Java, its value cannot be changed once assigned

• finally is a block of code used in exception handling to ensure a piece of code is always executed, regardless of whether an exception is thrown or not

• Example: final int MAX_VALU...read more
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Q4. Basic principles of oops
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Basic principles of OOP include encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Example: A 'Car' class may have properties like 'color' and 'model', and methods like 'st
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Q5. Method over riding and method overloading
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