BIRT 2.6 Data Analysis and Reporting

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BIRT 2.6 Data Analysis and Reporting BIRT is an open source business intelligence and reporting tool, built on top of the Eclipse Framework. BIRT is used by developers for building reports that can best represent data and tell a story of that data that is easy to follow. In addition, BIRT can be integrated into […]

G1 Garbage Collector in Java 7.0

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Garbage Collection in Earlier versions Java 1.5 The major enhancements in Java 1.5 Garbage Collector (GC) has changed from the previous serial collector (-XX:+UseSerialGC) to a parallel collector (-XX:+UseParallelGC). You can override this default by using the -XX:+UseSerialGC command-line option to the java command. Enormous changes have made to the heap size.Before J2SE 5.0, the […]

Java 7.0

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Java 7.0 (Dolphin) Sun is releasing weekly early access snapshots of the complete source, binaries and documentation for JDK 7. These raw snapshot releases let you review and contribute to the Java SE platform as it is being developed. Some possible language changes being considered for Dolphin include: property support (for getFoo()/setFoo() pattern) method references […]

Java 5.0

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Java 5.0 Java Platform, Standard Edition (also known as Java 2 Platform) lets you develop and deploy Java applications on desktops and servers, as well as today’s demanding Embedded and Real-Time environments. Java SE includes classes that support the development of Java Web Services and provides the foundation for Java Platform, Enterprise Edition (Java EE). […]

Java 6.0

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About Java 6.0(Mustang) Java Platform, Standard Edition (also known as Java 2 Platform) lets you develop and deploy Java applications on desktops and servers, as well as today’s demanding Embedded and Real-Time environments. Java SE includes classes that support the development of Java Web Services and provides the foundation for Java Platform, Enterprise Edition (Java […]

Console Support in Java 6.0

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Introduction The coolest feature in Java 6.0 is IO Support. One of the most popular feature requests for J2SE in recent times has been the request to improve console support and provide a way to enter passwords with echo disabled. also read: New Features in Java 6.0 – Par 1 New Features in Java 6.0 […]

Job Schedulers – UNIX

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Job Schedulers – UNIX We might have worked on various Job Scheduling Frameworks, one of the famous one that comes to our mind is Quartz. Yes quartz is a cool frameworks which has advanced error handling, job scheduling and various other great feature. Recently while trying to create a scheduling task for a task in […]

java.lang.OutOfMemoryError: PermGen space

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We encountered the dreaded java.lang.OutOfMemoryError: PermGen spaceerror What does it means – Permgen Space is the space where the class files are all loaded for the first time and there after they are loaded or referenced from there. This error means there is a hell lot of duplicate classes being loaded and not all are […]

java.lang.OutOfMemoryError: Java heap space

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We encountered the dreaded java.lang.OutOfMemoryError: Java heap space error. How often do we hit this error and look in bewilderment. What does it means Means there is a hell lot of objects being created and not all are being marked for GC. These stray objects are cluttering the heap space and resulting in this error. […]

Pentaho Reporting 3.5 for Java Developers

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Pentaho Reporting lets you create, generate, and distribute rich and sophisticated report content from different data sources. Knowing how to use it quickly and efficiently gives you the edge in producing reports from your database. If you have been looking for a book that has plenty of easy-to-understand instructions and also contains lots of examples […]