What happens when you call Hashmap.put() and Hashmap.get() method in Java ? HashMap: HashMap is a HashTable based implementation of Map interface. This implementation gives you some basic operations like get and put methods. Put and get methods are
We all know we cannot access a private constructor outside the class . So in singleton design pattern also object is created once, by private constructor i.e, once invocation and is called or used by its public static getter method.
How to create a Form Panel in extjs 4.2 MVC ? In this post we will discuss about how to create a Form Panel in extjs 4.2 MVC. Pre Requisites: 1) Sencha Extjs 4.2 SDK. 2) Apache Tomcat Server. 3)
Before explaning about @@sqlstatus lets have a breif introduction about Sybase Global Variables <h3> Global Variables </h3> Global variables are system-defined variables updated by Adaptive Server while the system is running. Some global variables are session-specific, while others are
Alternate to Singleton class in Java: As we have seen problems with singleton class. So in this post we will discuss about the alternatives of the singleton class. 1) Using dependency injection to avoid singleton’s : For any application testing
Sencha Extjs MVC Tutorial -2 In this post we will discuss about following things. 1) Insight of Data package. 2) Store 3) Model 4) Proxies 5) Some sample code. Insight of Data Package : In Extjs MVC one of
Sencha Exjts Tutorial -2 In this post we will look into following points. Insight to MVC architecture Component Query Viewport MVC demo app If you don’t know what is MVC please refer to Extjs 4.x documentation . Why we need
Problems with Singleton class :- Though Singleton may seem like a good approach from the start, it usually always leads to poor design and hard to maintain code down the line. In this post lets discuss