This article will discuss the scanner class in Java with some examples and illustrations. Once you know the basics of programming, the time comes for a developer to work with novice programs in text mode (console). Many begin using the scanner class, precisely because it facilitates the data input in the console. Java 5 introduced […]
How to Convert Hex to Binary: A Step-by-Step Guide
Without even realizing it, you use number conversion all the time. After all, knowing a 5K race means you have to run 3.1 miles is converting from the metric system to US measurement. Or, if you’re watching an old movie and try to figure out when it was made from the Roman numerals in the […]
Convert String to Date using SimpleDateFormat
Many developers find it hard for understanding the conversion of plain string to the Date object with the desired format. This is a very basic requirement in any Java application. This tutorial provides few basic formats examples using the SimpleDateFormat class. Also there is plenty of formats available and supported by JDK, you can try […]
JAXB Tutorial
This tutorial is introduction to Java Architecture for XML Binding (JAXB). JAXB tutorial is based on the Java 6.0 and later versions. JAXB is XML Binding API which defines the API for reading and writing the XML files from Java objects. As the binding word defines, XML and Java objects are binded together for the […]
Basics of Java Interface Usage
In this article we will see how to use Java interfaces correctly with with some examples. Using Java as Interfaces is often not used or wrongly used. This article demonstrates the practical uses of Interfaces in Java. First of all it is important to understand what is an interface? Let us create a “contract” where the […]
Garbage Collection in Java
In this article we will cover the proper use of Garbage Collection. Let us learn how it works, and understand how to induce the Garbage Collection. The Garbage Collection is a tool coupled to the JVM, that performs cleanup of objects in memory (Read: static utility for objects) which are of no further use. Our application will constantly suffer […]
Best Practices to Override toString Method in Java?
In this article to we will see how to override the toString method and what are the best practices in Java. Java provides a default implementation for the method toString through a class java.lang.Object which is inherited by all Java classes . However, what it returns is not very informative. Your returned value is composed […]
Difference between Checked and Unchecked Exceptions in Java
In this article we will understand the differences between Checked and Unchecked Exceptions in Java language.Exception handling is essential to make a robust application, because the user does not want to see a stacktrace on your screen, but a well-written message indicating that only an error occurred. All the applications are subject to failures, and […]
Dynamic Class Loading using Java Reflection
In this article we will discuss the concept of Java Reflection. Java Reflection is used to determine methods and attributes that will be used in a certain class at runtime.The Reflection in a nutshell, is used to determine methods and attributes that will be used in class (you do not know) at runtime. There are […]
Difference between ArrayList, Vector and LinkedList in Java
This is a basic tutorial explaining about the APIs define under the collection package in Java. We encounter numerous questions from our readers to clarify the differences on these interfaces, we have come up with an tutorial to explain the key differences on these APIs. ArrayList, Vector and LinkedList, these confuse many beginners and even […]
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