Deloitte Interview Questions, Process, and Tips

Q1. Tell me about your studies
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Q2. What do you want from a job
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Q1. What is hashmap
Ans. 
HashMap is a data structure in Java that stores key-value pairs and allows fast retrieval of values based on keys.
• HashMap implements the Map interface in Java

• It allows null keys and values

• Keys in a HashMap must be unique

• Example: HashMap map = new HashMap<>()
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Q2. Internal Working of hashmap
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HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• HashMap uses the hashCode() method of keys to calc...read more
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Q3. Compare Throw vs Throws
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Throw is used to explicitly throw an exception in a method, while Throws is used to declare the exceptions that a method may throw.
• Throw is used within a method to throw an exception explicitly.

• Throws is used in the method signature to declare the exceptions that the method may throw.

• Throw is followed by an instance of Throwable class, while Throws is followed by the exception class names separated by commas.

• Example: t...read more
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Q4. Array vs Arraylist
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Arrays are fixed in size, while ArrayLists can dynamically resize. ArrayLists provide more flexibility and functionality.
• Arrays have a fixed size, while ArrayLists can dynamically resize.

• ArrayLists can easily add, remove, or modify elements, while arrays require manual shifting of elements.

• Arrays use [] syntax for declaration and initialization, while ArrayLists use the ArrayList class from the Java Collections framewo
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Q5. Arraylist vs LinkedList/Vector
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ArrayList is resizable array implementation, LinkedList is doubly linked list implementation, Vector is synchronized version of ArrayList.
• ArrayList is faster for accessing elements, LinkedList is faster for adding/removing elements in middle.

• ArrayList uses less memory than LinkedList due to contiguous memory allocation.

• Vector is thread-safe but slower than ArrayList due to synchronization overhead.
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Q6. Write a code for Iterate hashmap using iterator
Ans. 
Iterate through a hashmap using an iterator in Java
• Create an iterator using the entrySet() method of the hashmap

• Use a while loop to iterate through the hashmap entries

• Access the key and value of each entry using the getKey() and getValue() methods
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Two coding questions in 90 minutes

Q1. College projects, Linux commands, oops concepts, collections, scenario based questions
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Q1. Why Deloitte, strength and weaknesses, team management based questions
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Assignment level of hardest was 3.

Q1. What was your role in your recent project explain in brief.
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Q2. What was the technologies used in back-end
Ans. 
The technologies used in the back-end included Java, Spring Boot, Hibernate, and MySQL.
• Java

• Spring Boot

• Hibernate

• MySQL
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Q1. Locatord in selenium
Ans. 
Locator in Selenium is used to identify web elements on a web page.
• Locators are used to find and interact with elements on a web page.

• Common locators include ID, name, class name, tag name, link text, and partial link text.

• XPath and CSS selectors are also commonly used locators in Selenium.

• Example: driver.findElement(By.id("username"));
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Q2. ID,linktexr,lass name,xpath,css selector
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Q3. Action class in selenium
Ans. 
Action class in Selenium is used to perform complex user interactions like drag and drop, double click, etc.
• Action class is part of the Selenium WebDriver API

• It is used to perform advanced user interactions like drag and drop, double click, etc.

• Actions class is instantiated by creating an object of Actions class and passing the WebDriver instance as a parameter

• Actions class methods include moveToElement, click, context
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Q4. Used for mouse and keyboard actions
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Q5. Select class in selenium
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In Selenium, the Select class is used to work with dropdown elements on a web page.
• The Select class is part of the org.openqa.selenium.support.ui package

• It provides methods to interact with dropdown elements such as selecting options by visible text, value, or index

• To use the Select class, you first need to locate the dropdown element using a locator like ID, name, or class name
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Q6. Used to handle dropdowns
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Q7. Waits in selenium
Ans. 
Waits in Selenium are used to synchronize the test execution with the application's behavior.
• Waits help in handling synchronization issues between test scripts and web elements

• Types of waits in Selenium include Implicit Wait, Explicit Wait, and Fluent Wait

• Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.until(ExpectedConditions.visibilityOfElementLocated(By.id("elementID")));
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Q8. Explicit,implicit,fluent waits def
Ans. 
Explicit, implicit, and fluent waits are different types of waits used in automation testing to handle synchronization issues.
• Explicit wait is used to wait for a certain condition to be met before proceeding with the test execution. It is defined by the tester in the code.

• Implicit wait is used to wait for a certain amount of time before throwing an exception if the element is not found. It is defined globally for the e...read more
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Q9. What kind of reports
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Q10. Testng reports have been used
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SAP technical assigment.

Q1. SAP MM org structure, pricing procedure, auto account determination, serialized and batch managed inventory, split valuation, workflows, release strategies.
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Q1. Normal high level discussion, Serialised and batch managed inventory .
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