Merkle Associate Software Engineer Interview Questions, Process, and Tips

Q1. Difference between find element and find element
Ans. 
find element is a method in Selenium used to locate a single web element on a webpage, while find elements is used to locate multiple web elements.
• find element returns a single web element based on the locator strategy provided

• find elements returns a list of web elements based on the locator strategy provided

• Example: driver.findElement(By.id("elementId")) vs driver.findElements(By.className("elementsClass"))
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Q2. Write a program for reverse string
Ans. 
Program to reverse a string using array of characters
• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string
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Q3. Diff b/w abstract class and abstract method
Ans. 
Abstract class is a class that cannot be instantiated, while abstract method is a method without implementation.
• Abstract class can have both abstract and non-abstract methods, while abstract method must be inside an abstract class.

• Abstract class can have constructors, while abstract method cannot have a body.

• Abstract class can have variables, while abstract method cannot have a body.
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Q4. What are truncate, delete and drop statement in sql
Ans. 
Truncate, delete, and drop are SQL statements used to remove data or objects from a database.
• Truncate: Removes all rows from a table without logging individual row deletions. It is faster than delete but cannot be rolled back.

• Delete: Removes specific rows from a table based on a condition. It logs individual row deletions and can be rolled back.

• Drop: Removes an entire table, view, index, or database from the database s
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Q5. What is init() funtion
Ans. 
init() function is a method used in programming to initialize an object or set up initial values.
• init() function is commonly used in object-oriented programming languages like Java and Python.

• It is called automatically when an object is created.

• The init() function is used to set default values, allocate memory, or perform any other necessary setup for an object.
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Effects of GST in INDIA

Q1. Questions related automation
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