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Java and J2EE tutorials are lessons and resources aimed at teaching individuals about the Java programming language and the Java 2 Platform, Enterprise Edition (J2EE) for developing enterprise applications. These tutorials cover various aspects of Java and J2EE, including the language syntax, object-oriented programming concepts, J2EE components and APIs, and best practices for developing enterprise applications.
They are designed for both beginners and experienced Java developers, and aim to help individuals gain the skills and knowledge needed to develop high-quality Java and J2EE applications.
Java Reflection makes it possible to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time. It is also possible to …
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Wherever possible try to use Primitive types instead of Wrapper classes Not everything in Java is an object. There is a special group of data types (also known as primitive types) that will be used …
The JavaMail API provides a platform-independent and protocol-independent framework to build mail and messaging applications. The JavaMail API is available as an optional package for use with Java …
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One declares it, and the other one does it :) There are five keywords related to Exception handling in Java e.g. try, catch, finally, throw and throws. Apart from difference between final, finally …
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This article is to compare REST vs SOAP. There is huge difference between REST and SOAP. SOAP (Simple Object Access Protocol): SOAP is a method of transferring messages, or small amounts of …
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There are times when we need to calculate the difference between two dates in Java. Below is a simple Java Program which uses SimpleDateFormat and DecimalFormat Java APIs to perform this …
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Here is a simple JSP - Servlet example with step-by-step instructions. I'll demonstrate how to retrieve request parameters in JSP - Servlet example. Here are the steps we are going to perform: …
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Java provides a mechanism, called object serialization where an object can be represented as a sequence of bytes that includes the object's data as well as information about the object's type and the …
In Java, you can use InetAddress.getLocalHost() to get the Ip Address of the current Server running the Java app and InetAddress.getHostName() to get Hostname of the current Server name. package …
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What is Thread Dump? The thread dump is a snapshot of exactly what's executing at a moment in time in your Java Program. While the thread dump format and content may vary between the different …
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Deadlock is a programming situation where two or more threads are blocked forever, this situation arises with at least two threads and two or more resources. Here I have written a simple program …
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In mathematics, the notion of permutation is used with several slightly different meanings, all related to the act of permuting (rearranging) objects or values. Informally, a permutation of a set of …
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