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Rinav G

Overview (Java Platform SE 6) - 0 views

  • Package java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables.
  • A small toolkit of classes that support lock-free thread-safe programming on single variables. In essence, the classes in this package extend the notion of volatile values, fields, and array elements to those that also provide an atomic conditional update operation of the form: boolean compareAndSet(expectedValue, updateValue);
  • Atomic classes are not general purpose replacements for java.lang.Integer and related classes. They do not define methods such as hashCode and compareTo. (Because atomic variables are expected to be mutated, they are poor choices for hash table keys.)
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  • The specifications of these methods enable implementations to employ efficient machine-level atomic instructions that are available on contemporary processors.
  • java.util.concurrent.atomic Class AtomicInteger java.lang.Object java.lang.Number java.util.concurrent.atomic.AtomicInteger
  • An int value that may be updated atomically. See the java.util.concurrent.atomic package specification for description of the properties of atomic variables. An AtomicInteger is used in applications such as atomically incremented counters, and cannot be used as a replacement for an Integer. However, this class does extend Number to allow uniform access by tools and utilities that deal with numerically-based classes.
  • int incrementAndGet()           Atomically increments by one the current value.
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    Package java.util.concurrent.atomic Description A small toolkit of classes that support lock-free thread-safe programming on single variables. In essence, the classes in this package extend the notion of volatile values, fields, and array elements to those that also provide an atomic conditional update operation of the form: boolean compareAndSet(expectedValue, updateValue);
Davor Poldrugo

The ASF Resigns From the JCP Executive Committee - 0 views

  • Oracle provided the EC with a Java SE 7 specification request and license that are self-contradictory, severely restrict distribution of independent implementations of the spec, and most importantly, prohibit the distribution of independent open source implementations of the spec.  Oracle has refused to answer any reasonable and responsible questions from the EC regarding these problems.
  • In the phrase "fail to uphold their responsibilities under the JSPA", we are referring to Oracle's refusal to provide the ASF's Harmony project with a TCK license for Java SE that complies with Oracle's obligations under the JSPA as well as public promises made to the Java community by officers of Sun Microsystems (recently acquired by Oracle.)
  • it should be noted that the majority of the EC members, including Oracle, have publicly stated that restrictions on distribution such as those found in the Java SE 7 license have no place in the JCP - and two distinguished individual members of the EC, Doug Lea and Tim Peierls, both have resigned in protest over the same issue.
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  • By approving Java SE 7, the EC has failed on both counts : the members of the EC refused to stand up for the rights of implementers, and by accepting Oracle's TCK license terms for Java SE 7, they let the integrity of the JCP's licensing structure be broken.
  • The Apache Software Foundation concludes that that JCP is not an open specification process
  • and finally, the EC is unwilling or unable to assert the basic power of their role in the JCP governance process
  • In short, the EC and the Java Community Process are neither.
  • To that end, our representative has informed the JCP's Program Management Office of our resignation, effective immediately.  As such, the ASF is removing all official representatives from any and all JSRs. In addition, we will refuse any renewal of our JCP membership and, of course, our EC position.
  • Okay ! Java's privatized now... What now ?
  • Thank god I moved off Java in time. Suddenly Oracle is the new Death Star, replacing Microsoft.
  • This is a sad, sad day in the Java community. I hoped that Oracle would back-peddle and realize the folly of their ways. Now Java will be to Oracle what .NET is to Microsoft and it will be the death of Java as we know it.
  • Posibly in few years we'll see Apache as a new Sun for "Java", followed by Eclipse, Google, etc... I hope this is a great movement done by Apache for the community. We'll see... The objetive of Oracle are Enterprises that cannot move from Java because of hight investments, it will earn a lot of money from them. Oracle ignores the community because is not going to pay for (expensive, as all the rest of Oracle products) licenses... We'll se...
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    The Apache Software Foundation has resigned its seat on the Java SE/EE Executive Committee. Apache has served on the EC for the past 10 years, winning the JCP "Member of the Year" award 4 times, and recently was ratified for another term with support from 95% of the voting community. Further, the project communities of the ASF, home to Apache Tomcat, Ant, Xerces, Geronimo, Velocity and nearly a 100 mainstay java components have implemented countless JSRs and serve on and contribute to many of the JCPs technical expert groups. We'd like to provide some explanation to the community as to why we're taking this significant step.
Rinav G

JDBC 4.0 Enhancements in Java SE 6 - 0 views

  • In JDBC 4.0, we no longer need to explicitly load JDBC drivers using Class.forName(). When the method getConnection is called, the DriverManager will attempt to locate a suitable driver from among the JDBC drivers that were loaded at initialization and those loaded explicitly using the same class loader as the current application.
  • Auto-loading of JDBC driver class
  • Service Provider mechanism (SPM).
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  • META-INF/services directory.
  • META-INF/services/java.sql.Driver.
  • java.sql.Driver.
  • the META-INF/services/java.sql.Drive
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    JDBC 4.0 Enhancements in Java SE 6 Java Platform, Standard Edition (Java SE) version 6 (code name Mustang), is currently in its second beta release and is scheduled to be delivered in October of this year. Java SE 6 includes several enhancements to the Java Database Connectivity (JDBC) API. These enhancements will be released as JDBC version 4.0. The main objectives of the new JDBC features are to provide a simpler design and better developer experience. This article provides an overview of the JDBC 4.0 enhancements and what benefits they offer to enterprise Java developers. We will explore the new JDBC features with the help of a sample loan processing application using Apache Derby as the back-end database.
enderson james

Sturdy Business with Java SE - 0 views

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    Java SE is main platform for developing application for your business. The main reason behind use of Java SE is the capability of running same code run on different types of platform. Aegis Software offering java solution for latest Java SE to their customer.
Hendy Irawan

Quartz Scheduler - Home - 0 views

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    Quartz is a full-featured, open source job scheduling service that can be integrated with, or used along side virtually any Java EE or Java SE application - from the smallest stand-alone application to the largest e-commerce system. Quartz can be used to create simple or complex schedules for executing tens, hundreds, or even tens-of-thousands of jobs; jobs whose tasks are defined as standard Java components that may execute virtually anything you may program them to do. The Quartz Scheduler includes many enterprise-class features, such as JTA transactions and clustering. Quartz is freely usable, licensed under the Apache 2.0 license.
Arup Vidyerthy

Java for OS X 2013-002: How to re-enable the Apple-provided Java SE 6 web plug-in and W... - 0 views

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    Switching between Apple and Oracle Java plugin
Hendy Irawan

Commons Exec - Apache Commons Exec - 0 views

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    "Executing external processes from Java is a well-known problem area. It is inheriently platform dependent and requires the developer to know and test for platform specific behaviors, for example using cmd.exe on Windows or limited buffer sizes causing deadlocks. The JRE support for this is very limited, albeit better with the new Java SE 1.5 ProcessBuilder class. Reliably executing external processes can also require knowledge of the environment variables before or after the command is executed. In J2SE 1.1-1.4 there is not support for this, since the method, System.getenv(), for retriving environment variables is deprecated. There are currently several different libraries that for their own purposes have implemented frameworks around Runtime.exec() to handle the various issues outlined above. The proposed project should aim at coordinating and learning from these initatives to create and maintain a simple, reusable and well-tested package. Since some of the more problematic platforms are not readily available, it is my hope that the broad Apache community can be a great help."
Hendy Irawan

Formatter (Java 2 Platform SE 5.0) - java platform format string syntax - 0 views

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    " Format String Syntax Every method which produces formatted output requires a format string and an argument list. The format string is a String which may contain fixed text and one or more embedded format specifiers."
Rinav G

Nimbus Look and Feel - 0 views

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    Nimbus, a cross platform look and feel introduced in the Java SE 6 update 10 release, is drawn with 2D vector graphics and can be rendered at any resolution.
abuwipp

ResultSet (Java 2 Platform SE 5.0) - 0 views

  • to insert column values into the insert row. An updatable ResultSet object has a special row associated with it that serves as a staging area for building a row to be inserted. The following code fragment moves the cursor to the insert row, builds a three-column row, and inserts it into rs and into the data source table using the method insertRow
  • moveToInsertRow
  • updateString
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  • insertRow
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    to insert column values into the insert row. An updatable ResultSet object has a special row associated with it that serves as a staging area for building a row to be inserted. The following code fragment moves the cursor to the insert row, builds a three-column row, and inserts it into rs and into the data source table using the method insertRow.
Hendy Irawan

Spring Surf | SpringSource.org - 0 views

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    "Spring Surf is a view composition framework for Spring MVC that plugs into your existing Spring applications. It provides a scriptable and content-centric approach to building web applications. You can drop Spring Surf right into your existing Spring web applications or you can begin building new Spring Surf applications using SpringSource Tool Suite or Spring Roo's command-line magic."
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