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Core Java
Java Command-Line Interfaces (Part 20): JSAP
JSAP (Java Simple Argument Parser) 2.1 is the focus of this twentieth post in this series on processing command line…
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Core Java
Java Data type and Identifier
In this tutorial we are going to see about Data types and Identifiers in Java. Java language has a rich…
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Enterprise Java
Call on me, or Asynchronous REST
This article is a very simple example of a working asynchronous REST application, made with Spring Boot + Java 8.…
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Software Development
Advantages of Functional Programming
In Part I of this series, I talked about the core concepts of functional programming and gave a few examples…
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Core Java
Java Command-Line Interfaces (Part 19): jClap
The focus of this nineteenth post in this series on parsing command line arguments from Java code is jClap (Java…
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Android Core
Activation UI and the Builder Pattern
I wrote two posts about the SMS activation process. In the first I discussed using the Twilio API via REST…
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Enterprise Java
Spring Boot – spring.config.name – Case Study
Externalizing Spring Boot application properties is useful when the same application code must be used with different configuration. If the…
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Core Java
Can a non static method access static variable/method in Java?
“Can a non-static method access a static variable or call a static method” is one of the frequently asked questions…
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Enterprise Java
Access the EntityManager from Spring Data JPA
Spring Data JPA allows you to rapidly develop your data access layer through the use of Repository interfaces. Occasionally you…
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