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Tech forum for Java, algorithms & data-structures, Hibernate, RESTful API, Spring framework, Microservices architecture, Interview questions, Python, SDET, Machine learning, DevOps.

Google Data Scientist interview questions with answers

Carvia Tech | June 20, 2019 | 1 min read | 25 views

Google Data Scientist interview questions with answers

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How to design a customer satisfaction survey

Carvia Tech | June 20, 2019 | | 0 views

Designing a customer satisfaction survey mostly relies on the business domain. The other point it could depends on how and when do we want feedback from customer.

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Goldman Sachs Java Interview Questions for Senior Java Developer

Carvia Tech | June 19, 2019 | 4 min read | 255 views

Covers core java problems, coding challenges, data structures and algorithms, performance issues, design problems, and testing aspects.

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Top 50 SDET Java Programming Interview Questions & Answers

Carvia Tech | June 17, 2019 | 4 min read | 443 views

Top SDET & automation engineer Java programming interview questions and answers. Core Java, algorithms, data structures, selenium, ci/cd and build tools, etc.

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Top 100 interview questions on Data Science & Machine Learning

Carvia Tech | May 28, 2019 | 3 min read | 46 views

Top 100 interview questions (coding and theory) for cracking data science and machine learning interviews most relevant for freshers and experienced candidates.

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Top 20 Java Concurrency Interview Questions and Answers

Carvia Tech | May 28, 2019 | 1 min read | 23 views | Multithreading and Concurrency

We have compiled a list of top java concurrency and multi-threading interview questions.

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Difference between Implementing Runnable and Extending Thread

Carvia Tech | May 28, 2019 | 3 min read | 194 views

Difference between Implementing Runnable and Extending Thread

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How will you implement a Blocking Queue in Java

Carvia Tech | May 28, 2019 | 3 min read | 18 views

A blocking queue allows multiple threads to communicate with each other and pass data around. For example, a producer can put items to the queue while consumer can take items out from the queue.

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Producer Consumer Problem using Blocking Queue in Java

Carvia Tech | May 28, 2019 | 3 min read | 387 views | Multithreading and Concurrency

A producer consumer problem is a typical example of multi-thread synchronization problem. It describes a scenario where some shared resource (a work queue, blockingqueue) is used by two types of threads - Producers & Consumers.

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SQL - Write a query to find customers who have no orders yet

Carvia Tech | May 27, 2019 | 2 min read | 1 views

We can use Left Outer Join in the SQL query to list all the Customer(s) which have Orders (both null and non-null) and put a where clause to eliminate the records without Order

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