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The object pool pattern is a software creational design pattern that uses a set of initialized objects kept ready to use – a "pool" – rather than allocating and destroying them on demand. A client of the pool will request an object from the pool and perform operations on the returned object.
2.0: 2005-05-17: Java 5 language support 3.2: 2009-06-11: support for the new invokedynamic code. [2] 4.0: 2011-10-29: Java 7 language support 5.0: 2014-03-16: Java 8 language support 6.0: 2017-09-23: Codebase migrated to Gitlab Java 9 language support 6.1: 2018-03-11: Java 10 language support 7.0: 2018-10-27: Java 11 language support 7.1: 2019 ...
The Java language has undergone several changes since JDK 1.0 as well as numerous additions of classes and packages to the standard library.Since J2SE 1.4, the evolution of the Java language has been governed by the Java Community Process (JCP), which uses Java Specification Requests (JSRs) to propose and specify additions and changes to the Java platform.
SQALE (Software Quality Assessment based on Lifecycle Expectations) is a method to support the evaluation of a software application source code. It is a generic method, independent of the language and source code analysis tools, licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license . [ 1 ]
The core components of Oracle Application Server include the Oracle HTTP Server, which is based on the Apache HTTP Server, and OC4J (OracleAS Containers for Java EE), which deploys Java EE-based applications. The latest version of OC4J offers full compatibility with the Java EE 1.4 specifications.
They introduce six OO complexity metrics: (1) weighted methods per class; (2) coupling between object classes; (3) response for a class; (4) number of children; (5) depth of inheritance tree; and (6) lack of cohesion of methods. Several other metrics can be used to measure programming complexity: Branching complexity (Sneed Metric)
A sample UML class diagram for the adapter design pattern. [5] In the above UML class diagram, the client class that requires a target interface cannot reuse the adaptee class directly because its interface doesn't conform to the target interface. Instead, the client works through an adapter class that implements the target interface in terms ...
The java.lang.Class [2] class is the basis of more advanced introspection. For instance, if it is desirable to determine the actual class of an object (rather than whether it is a member of a particular class), Object.getClass() and Class.getName() can be used: