Virtusa Consulting Services Senior Consultant Interview Questions, Process, and Tips

You have list of Integers, say {1,43,54,35,35,54} With this I want to know the count of each digits in the List. Example 1->1,3->3,4->3,5->4

Q1. What are java 8 features?
Ans. 
Java 8 introduced significant features like lambdas, streams, and new date/time APIs, enhancing productivity and code readability.
• Lambda Expressions: Enable concise representation of functional interfaces. Example: (a, b) -> a + b.

• Streams API: Facilitates functional-style operations on collections. Example: list.stream().filter(x -> x > 10).collect(Collectors.toList()).

• Default Methods: Allow interfaces to have...read more
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Q2. How multihtreading is achieved in java?
Ans. 
Java achieves multithreading through Thread class and Runnable interface, enabling concurrent execution of tasks.
• Java provides the Thread class to create and manage threads.

• You can implement the Runnable interface to define a task for a thread.

• Threads can be created by extending the Thread class or implementing Runnable.

• Example: Creating a thread using Thread class: 'class MyThread extends Thread { public void run() { ...read more
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Q1. Javascript es6 concept is mail
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Q2. All es6 concept
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Q1. Linux based realtime questions
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Q2. Data warehousing realtime questions
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