Google to Present Daydream Updates

IT giant reported on some cool new stuff for its virtual reality platform
25 September 2018   1855

Google told that the Daydream virtual reality platform users will be able to run any Android-applications. This will allow to open your favorite programs and games without having to wait until the developers add support for VR. The function is considered experimental and is designed primarily for developers.

In addition, the company introduced the See-Through Mode, which allows the user to see what is in front of him, without removing the VR headset. Google also showed experimental controllers with 6 degrees of freedom, which are already available to some developers.

Opening an application in Daydream, the user will see it on a large virtual screen. A particular advantage of this will be in games where a larger screen allows you to achieve more comfort. For interaction with the application, classical controllers for the headset are used.

 

The new See-Through Mode actively uses WorldSence technology, which is implemented in Google's VR-headset and provides accurate tracking of the position in the space with a low delay time. Due to the fact that the cameras in the headset are located approximately at eye distance, the user also has an accurate perception of the depth. One of the consequences is the ability to play ping-pong without removing the headset.

 

The combination of these technologies also allows creating new products in the Augmented Reality area. For example, an interior designer could work on a new layout, adding virtual chairs, tables and other decorations on of the real room.

 

In addition to software innovations, Google also introduced new controllers, the main feature of which is the support of 6 degrees of freedom. In practice, this means that the user can comfortably work in virtual reality, bringing the naturalness of movements to the real world closer. Until now, such functionality was available only to expensive VR-headsets, created for the PC.

Instead of using expensive external cameras and sensors that require careful calibration, Google was able to get by with standard parts and machine learning technologies. This greatly reduced the cost of the device, which made it more affordable for customers

Java SE 14 to be Available

Java SE 14 is as a regular support period version for which updates will be released before the next release
18 March 2020   328

After six months of development, Oracle released the Java SE 14 (Java Platform, Standard Edition 14), which uses the OpenJDK open source project as its reference implementation. Java SE 14 maintains backward compatibility with previous releases of the Java platform; all previously written Java projects will work without changes when launched under the new version. Ready-to-install Java SE 14 builds (JDK, JRE, and Server JRE) are prepared for Linux (x86_64), Windows, and macOS. The Java 14 reference implementation developed by the OpenJDK project is fully open under the GPLv2 license with GNU ClassPath exceptions that allow dynamic linking to commercial products.

Java SE 14 is categorized as a regular support period for which updates will be released before the next release. As a branch with a long service life (LTS), you should use Java SE 11, updates for which will be released until 2026. The previous Java 8 LTS branch will be supported until December 2020. The next LTS release is scheduled for September 2021. Recall that since the release of Java 10, the project has switched to a new development process, which implies a shorter cycle of generating new releases. New functionality is now being developed in one constantly updated master branch, in which ready-made changes are included and from which branches are released every six months to stabilize new releases.

These are some of the changes and updates:

  • Added experimental support for pattern matching in the instanceof operator, which allows you to immediately determine the local variable to access the checked value.
  • Experimental support has been added for the new “record” keyword, which provides a compact form for defining classes, avoiding the explicit definition of various low-level methods, such as equals (), hashCode () and toString (), in cases where data is stored only in fields, the behavior of work with which does not change.
  • This declaration will automatically add implementations of the equals (), hashCode (), and toString () methods in addition to the constructor and methods that control the change of data (getter).
  • Standardized and enabled by default is support for a new form of switch statements that does not require a break statement, allows you to combine duplicate labels, and allows use not only in the form of an operator, but also as an expression.
  • The experimental support for text blocks has been expanded - a new form of string literals that allows you to include multiline text data in the source code without using character escaping and preserving the original text formatting in the block
  • The informative value of diagnostics in case of NullPointerException exceptions has been expanded.
  • A preliminary version of the jpackage utility has been implemented, which allows you to create packages for self-contained Java applications.
  • A new memory allocation mechanism has been added to the G1 garbage collector, taking into account the specifics of working on large systems using the NUMA architecture.
  • Added API for tracking on-the-fly JFR events (JDK Flight Recorder), for example, for organizing continuous monitoring.
  • Added the jdk.nio.mapmode module, which offers new modes (READ_ONLY_SYNC, WRITE_ONLY_SYNC) for creating mapped byte buffers (MappedByteBuffer) that reference non-volatile memory (NVM).
  • A preliminary version of the Foreign-Memory Access API has been implemented, which allows Java applications to safely and efficiently access memory areas outside the Java heap by manipulating new abstractions of MemorySegment, MemoryAddress, and MemoryLayout.
  • Ports for Solaris OS and SPARC processors (Solaris / SPARC, Solaris / x64 and Linux / SPARC) declared obsolete with intent to delete.

Get more at the Oracle website.