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Checkstyle & Maven Tutorial

Step 1: The pom.xml with the checkstyle plugin and properties.

…

Findbugs and Maven tutorial

Findbugs is an open source project for a static analysis of the Java bytecode to identify potential software bugs.

Findbugs-structure

Step 1: The pom.xml with the findbug & site reporting plugins and properties.

…

Maven and Cobertura Tutorial

Cobertura is a free code coverage tool, which calculates the percentage of Java code accessed by unit tests.

Step 1: The pom.xml file with the relevant reporting plugins. The properties also shown to set the coverage percentage and to skip code coverage or not.

…

Notepad++ beginner tutorial

You can download Notepad++ from http://notepad-plus-plus.org/download. It is a very handy productivity boosting tools. Q. Why is Notepad++ is a very handy tool? A.  Notepad++ is a very handy developer…

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Notepad++ productivity tips with SQL trigger code example

One of the traits of good developers is that being lazy and this laziness leads to finding productive ways to perform a task. Recently, I had to create a number…

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Notepad++ to construct SQL where clause

Lets take a tutorial like scenario to demonstrate power of Notepad++ as a  developer productivity tool. Q. How will you extract rule_name values from a tabular data shown below and…

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Notepad++ with the power of regex for productivity tutorial

This post is based on a industrial example where you have a CSV file where you want to add quotes (i.e. “) around it. For example

Convert text like:

To


Another reason you might want to do this in Java is to construct a String array or list as shown below.…


Power of Excel spreadsheet to dynamically generate SQL

When you have some data in tabular (e.g. Excel spreadsheet) format and would like to insert into a database table, you need to write an SQL insert query. Manually writing SQL query for multiple records can be cumbersome. This is where Excel spreadsheet comes in handy as demonstrated below. A single SQL query can be copied down where the formulas get copied with incrementing column numbers.…


Power of SQL as a productivity tool

There are times where you need to generate “INSERT” SQL statements from existing data. For example, you may have a production release ready “Delete” SQL statement as shown below to…

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800+ Java & Big Data Interview Q&As

300+ Java Interview FAQs
Java FAQs - 01: Prepared?
Java FAQs - 02: Ice Breaker
Java FAQs - 03: Core Java
Java FAQs - 04: OOP & FP
Java FAQs - 05: JEE
Java FAQs - 06: Spring
Java FAQs - 07: Hibernate
Java FAQs - 08: Web Services
Java FAQs - 09: Microservices
Java FAQs - 10: Messaging
Java FAQs - 11: Architecture
Java FAQs - 12: RDBMS
Java FAQs - 13: SQL
Java FAQs - 14: Code Quality
Java FAQs - 15: Key Areas
Java FAQs - 16: UML
Java FAQs - 17: GIT
Java FAQs - 18: Unix
Java FAQs - 19: DevOps (CI/CD)
Java FAQs - 20: AWS (Cloud)
Java FAQs - 21: Maven
Java FAQs - 22: Regex
Java FAQs - 23: JSON & XML
Java FAQs - 24: JMeter
300+ Big Data Interview FAQs
Big Data - 00: Roadmap
Big Data - 01: SQL
Big Data - 02: Data Modelling
Big Data - 02: Data Warehouse
Big Data - 03: Distributed Systems
Big Data - 04: Hadoop
Big Data - 05: MapReduce
Big Data - 06: Hive
Big Data - 07: Impala
Big Data - 08: Spark
Big Data - 09: Databricks
Big Data - 09: Spark SQL
Big Data - 10: Apache Kafka
Big Data - 11: Data Governance
Big Data - 11: NoSQL
Big Data - 12: Data security
Big Data - 13: Analytics & Science
Big Data - 14: AWS
Big Data - 15: Sqoop & Nifi
Big Data - 16: Yarn, Zookeeper
16+ Java Key Areas Q&As
Key Area - Going places
Key Area - Ice Breaker
Key Area - Design Concepts
Key Area - Judging Experience
Key Area - Best Practices
Key Area - Concurrency Mgmt
Key Area - Low Latency
Key Area - CI/CD & DevOps
Key Area - Debugging
Key Area - Debug Hibernate
Key Area - Debug Java
Key Area - Debug JEE
Key Area - Debug Spark
Key Area - Debug Spring
Key Area - Design Patterns
Key Area - GoF Design
Key Area - JEE Design
Key Area - Microservices patterns
Key Area - Exception Handling
Key Area - Memory Mgmt
Key Area - Performance
Key Area - Scalability
Key Area - SDLC
Key Area - Security
Key Area - Productivity Tools
Key Area - Transaction Mgmt
Key Area - QoS & SLAs
300+ Core Java Interview Q&As
Core Java - Overview
Core Java - Data types
Core Java - Constructors
Core Java - Reserved Key Words
Core Java - Classes
Core Java - Objects
Core Java - OOP
Core Java - GC
Core Java - Generics
Core Java - FP
Core Java - OOP to FP
Core Java - I/O
Core Java - Multithreading
Core Java - Data Structures
Core Java - Annotations
Core Java - AOP
Core Java - Other
Core Java - Collection API
Core Java - Differences X & Y
Core Java - Event Driven
Core Java - Exceptions
Core Java - Java 7
Core Java - Java 8
Core Java - JVM
Core Java - Reactive Program
Core Java - Swing & AWT
Core Java - Understanding
300+ Enterprise Java Interview Q&As
JEE - Overview
JEE - Web basics
JEE - Web Services
JEE - JPA
JEE - JTA
JEE - API Design
JEE - JDBC
JEE - Microservices
JEE - JMS
JEE - JMX
JEE - JNDI and LDAP
JEE - JSF
JEE - Other
150+ Spring & Hibernate FAQs
Framework - Hibernate Q&As
Framework - Spring Core
Framework - Spring MVC
Framework - Spring Cloud
Framework - Spring boot
Framework - Spring IO
Framework - Spring Config
150+ Java Architect interview FAQs
Architecture - Patterns
Architecture - How to
Architecture - AWS
Architecture - Distributed
Architecture - Microservices
Architecture - QoS
Architecture - ERD
Architecture - ETL
Architecture - Low Latency
Architecture - UML
100+ Companion Tech Q&As
16: Angular JS interview Q&As
12: Domain Knowledge interview Q&As
13: FIX interview Q&As
03: Git & SVN interview Q&As
10: Groovy interview Q&As
04: JavaScript interview Q&As
11: JMeter interview Q&As
08: Maven interview Q&As
09: NoSQL Interview Q&As
05: Regex Interview Q&As
01: SQL Interview Q&As
02: Unix interview Q&As
07: JSON interview Q&As
06: XML Interview Q&As
15: XSD Interview Q&As
14: YAML interview Q&As
250+ Scala Interview FAQs
Scala 140+ FAQs
Scala way of coding
200+ Python interview FAQs
80+ Java code quality Q&As
Code Quality - Automation
Code Quality - Code Coverage
Code Quality - FAQs
Code Quality - Profiling
Code Quality - Performance Test
Code Quality - Unit Testing
Code Quality - BDD
Code Quality – Testing DAOs
Code Quality – JUnit, Mockito & Spring
Code Quality – JUnit Web
Code Quality - Spring TXN
100+ Java coding interview Q&As
Coding - Can you write code?
Coding - Complete the code
Coding - Converting from A to B
Coding - Designing your classes
Coding - Data Structures
Coding - Arrays
Coding - Big O notation
Coding - Graph Structure
Coding - LinkedList Structure
Coding - Map Structure
Coding - Pointer Algorithms
Coding - Queue Structure
Coding - Searching Algo
Coding - Sorting Algo
Coding - Stack Structure
Coding - Tree structure
Coding - Data Which & Why
Coding - Passing the unit tests
Coding - What is wrong?
Coding - Home Assignments
Coding - Written Test Core Java
Coding - Written Test JEE

200+ Java & Big Data Tutorials

Tutorials - Big Data
TUT - ⏯ Starting Big Data
TUT - Starting Spark & Scala
TUT - Starting with Python
TUT - Kafka
TUT - Pig
TUT - Apache Storm
TUT - Spark Scala on Zeppelin
TUT - Cloudera
TUT - Cloudera on Docker
TUT - File Formats
TUT - Spark on Docker
TUT - Flume
TUT - Hadoop (HDFS)
TUT - HBase (NoSQL)
TUT - Hive (SQL)
TUT - Hadoop & Spark
TUT - MapReduce
TUT - Spark and Scala
TUT - Spark & Java
TUT - PySpark on Databricks
TUT - Zookeeper
Tutorials - Enterprise Java
TUT - ⏯ Starting with Java
TUT - Diagnosis
TUT - Akka
TUT - Akka Scala
TUT - Akka Java
TUT - AWS EC2
TUT - CI/CD Jenkins
TUT - Core Java
TUT - Debugging
TUT - Java 8
TUT - JSON and Java
TUT - Java Beginner
TUT - XML and Java
TUT - CSV and Java
TUT - Docker
TUT - JEE
TUT - Web & Web Services
TUT - REST Client
TUT - JSF
TUT - JDBC
TUT - FIX and Java
TUT - JAXB
TUT - JMX
TUT - JPA
TUT - MySQL
TUT - Scala
TUT - Scala Actors
TUT - Spring & Hibernate
TUT - Hibernate
TUT - Spring Basics
TUT - Spring batch
TUT - Hibernate & Spring
TUT - Spring Boot
TUT - Spring IO
TUT - Spring ORM
TUT - Spring other
TUT - Spring OXM
TUT - Spring Cloud
TUT - Tools
TUT - JMeter
TUT - Maven
TUT - Maven Assembly
TUT - Maven Profiles
TUT - Productivity Tools
TUT - Kubernetes
TUT - ⏯ Videos
TUT - ⏯ Starting with Java
TUT - ⏯ Spring Core
TUT - ⏯ Spring MVC
TUT - ⏯ JDBC, Hibernate
TUT - ⏯ Spring Boot
TUT - ⏯ Angular with Spring
TUT - ⏯ Q&As
TUT - Other
TUT - SQL
TUT - Drools
TUT - Apache POI
TUT - DOS
TUT - Dozer
TUT - ESB
TUT - Groovy
TUT - Jasper Reports
TUT - Logging and auditing
TUT - Metrics
TUT - Orika Mapping
TUT - Pentaho Kettle ETL
TUT - Unix
TUT - Webspeher MQ
TUT - YAML
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