Deepak Vohra

Deepak is a Sun Certified Java Programmer and Web Component Developer, and has worked in the fields of XML, Java programming and Java EE for ten years. Deepak is the co-author of the Apress book Pro XML Development with Java Technology and was the technical reviewer for the O'Reilly book WebLogic: The Definitive Guide. Deepak was also the technical reviewer for the Course Technology PTR book Ruby Programming for the Absolute Beginner. Deepak is also the author of the Packt Publishing books JDBC 4.0 and Oracle JDeveloper for J2EE Development, Processing XML Documents with Oracle JDeveloper 11g, EJB 3.0 Database Persistence with Oracle Fusion Middleware 11g, and Java EE Development in Eclipse IDE. Deepak is a Docker Mentor and has published 5 books on Docker and Kubernetes.

All Stories by Deepak Vohra

Sealed Classes in Java 17

Sealed classes are classes that permit only specific classes to extend them, as a result limiting extensibility. Sealed classes provide several benefits such as: additional modularization, could be used to develop internal classes, could be used to develop proprietary software.

New JVM Features in JDK 11

Java SE 11 is a recent LTS (Long Term Support) version of Java. Java 11 has introduced several other (non-language features), some of which we’ll discuss in this article.

New JVM and Other Libs Features in Java 15

Each new version of the OpenJDK (Java Developer Kit) includes some language features and some non-language JVM (Java Virtual Machine), core-libs, and other libs-related features. Here, we’ll discuss some of the non-language new features in the upcoming OpenJDK 15.

Records in Java 14 for Concise Data Carriers

In this article, we explore a preview language feature in Java 14 that improves the design of data carriers, making them simple, concise, and agile.

Pattern Matching in Java 14 Adds Simplicity

In this article, we discuss a Java feature created to make Java easier, the instanceof operator, which is used to test if an object is a certain type.

New Features in JavaScript

Here we’ll explore the new features in the most recent version, ECMAScript 2020, which is the 11th edition of the ECMAScript Language Specification.

Using R for Data Science: Machine Learning

R is a system for statistical computing and graphics and is commonly used in data science. R is one of the fastest growing languages based on recent TIOBE rankings. R consists of a language, a runtime environment, and a debugger. R programs stored as scripts may be run on the command line or in an IDE such as RStudio