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Spring batch industrial strength tutorial – part2

This assumes that you have read the spring batch beginner tutorial & industrial strength part 1. This is the final … … Read more ›...

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“IT Jobs or programming jobs wanted” forums tips to standout from your competition

I often see in  “IT Jobs Wanted” or “programming jobs wanted” forums, where potential job seekers don’t really take the effort …

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00: 13 Data Warehouse interview Q&As – Fact Vs Dimension, CDC, SCD, etc

Q1. What is dimensional modelling in a Data Warehouse (i.e. DWH)?
A1. A dimensional model is a data structure technique optimised …

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00: 16+ Tech Key Areas to go places as a Java Engineer or Architect

Java Engineers, Big Data Engineers & Java/Big Data Architects must have a good handle on these 16+ Tech Key areas. You can talk the talk in Java or Big Data job interviews & also walk the walk by gaining a reputation as a go to person.



00: Apache Spark eco system & anatomy interview Q&As

Q01. Can you summarise the Spark eco system?
A01. Apache Spark is a general purpose cluster computing system. It provides high-level …

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00: Create a simple REST API with Spring Boot

Q1. What is the key benefit of using Spring boot?
A1. The key benefit is that you can “build a production …

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00: Data Lake Vs. Data Warehouse Vs. Delta Lake

Modern data architectures will have both the Data Lakes & Data Warehouses.

Q1. What questions do you need to ask for …

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00: Q1 – Q6 Hadoop based Big Data architecture & basics interview Q&As

There are a number of technologies to ingest & run analytical queries over Big Data (i.e. large volume of data). Big …

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00: Top 50+ Core Java interview questions answered – Q1 to Q10

These are must know Java interview FAQs. If you don’t get these Java interview questions right, you will not be getting …

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00: Top 50+ Core Java interview questions answered – Q11 to Q23

The focus is on Java OOP interview questions and answers. Q11. What is the difference between constructors and other regular methods?… … Read more ›...

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00: Top 50+ Core Java interview questions answered – Q24 to Q36

Focus is on Java classes, interfaces and generics the interview questions and answers style. Java classes and interfaces are the building … … Read more ›...

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00: Top 50+ Core Java interview questions answered – Q37 to Q42

As a Java developer, you may not need to know how the JVM works, but the most important topic that you … … Read more ›...

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00: Top 50+ Core Java Interview questions answered – Q43 to Q54

Q43. What can you tell about the performance of a HashMap compared to a TreeMap? Which one would you prefer? … … Read more ›...

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