JavaWorld Core Java

• JVM may get upgrade to support today’s multicore processors June 20, 2017
  Oracle is proposing an update to the Java Virtual Machine to allow for direct-value class types, a modernization required by the advent of multicore processors. There is no schedule for when the changes might appear in the JVM.The changes to the JVM specification would support a prototype of value classes—classes for which primitive-like non-reference value instances […]
• Type dependency in Java, Part 2 June 13, 2017
  Understanding type compatibility is fundamental to writing good Java programs, but the interplay of variances between Java language elements can seem highly academic to the uninitiated. This two-part article is for software developers ready to tackle the challenge! Part 1 revealed the covariant and contravariant relationships between simpler elements such as array types and generic […]
• Primer: Make sense of cognitive computing June 5, 2017
  If you’ve been seeing the word “cognitive” a lot lately, you’re not alone. And if you’re confused about exactly what it means from an IT and business perspective, you’re not alone in that either.To help provide some clarity around the cognitive concept and what it might mean for your organization, I’ve put together this primer.What […]
• Is a coding boot camp right for you? May 25, 2017
  Andrew Sorensen got a degree in classical music in 2013, but he didn't want to perform or teach. After finishing college, he tried his hand at sales and worked for a while at a Bellevue, Wash., car dealership, where he sold Audis, many to software engineers.Today, Sorensen is one of those software engineers, thanks to […]
• Oracle has a plan to make Java 9 migration easier May 19, 2017
  It will be easier to migrate code to the planned Java 9 release, due in late July, if the committee that manages Java approves a proposal just made by Oracle to better accommodate modularity, the key new feature in Java 9. Oracle made the proposal following strong opposition to its modularization plans from the Java community.In […]
• Java 101: Regular expressions in Java, Part 2 May 16, 2017
  The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic pattern matching with literal strings to more complex matches using ranges, boundary matchers, and quantifiers.In Part 2 we'll pick up where we left off, exploring […]
• Java modularity specification opposed by Red Hat, IBM is voted down May 9, 2017
  A Java modularity specification failed to pass in a vote by Java executive committee members, leaving the future of the technology in question. The issue could hold up the planned July 27 release of Java 9, which is slated to include modularity.Balloting on Java Specification Request 376 was completed on Monday. The modular plan for Java, […]
• Oracle hits back at modular Java critics May 9, 2017
  With voting on a module system for Java set to close within the Java community, a high-ranking official at Oracle is again defending the plan amid criticism from Red Hat.Modularity is the main feature in Java 9, which is due to arrive July 27—if the disagreement over modularization does not hold up the release. Oracle's […]
• The true impact of modular Java April 14, 2017
  Modularity is coming to Java. But the big fanfare for modularized Java may already be cooling, well in advance of the Java SE 9 release due in late July, thanks to mixed reviews.Oracle has thus far positioned modularity as a key benefit for the Java platform, in large part because it will enable the JDK […]
• Java 101: Regular expressions in Java, Part 1 April 13, 2017
  Java's character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the Regex API. This two-part tutorial helps you get started with regular expressions and the Regex API. First we'll unpack the three powerful classes residing in the […]