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A:Java is a computer language. There are some of the reasons which describe:
1. Built-in support for multi-threading, memory management (automatic garbage collection), and socket communication.
2. Object oriented language.
3. Better portability than other languages across all operating systems.
4. Supports Web based applications (Applet, JSP, and Servlet), distributed applications (sockets, EJB, RMI etc) and network protocols (JRMP, HTTP etc) with the help of extensive standardized APIs (Application Programming Interfaces).
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
Differentiation the JDK 1.02 event model and the event-delegation model introduced with JDK 1.1?
Explain the term- Comparing Strings For comparing Strings never use == operator, use equals method of String class. - == operator compares addresses (shallow comparison) whi
We require responsible and serious programmer Project Description: Big Data and On-line tools Website Liferay - JAVA - Portlets - JSP and JSF Skills required: J2EE,
What is Overriding? When a class explains a method using the similar name, return type, and arguments as a method in its superclass, the method in the class overrides the metho
EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are: 1. Identification :
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Point-To-Point (PTP). This model permits exchanging messages via queues formed for some purposes. A client can send and receive messages from one or various queues. PTP model is ea
what are the advantages of packages and interface? why we use them? and what is the way of using packages and interfaces complete description with examples?
How to Wrapping Your Own Packages in java? Java does not limit you to using just the system supplied packages. You can write your own as well. You write packages just such as
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