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Java Scanner Class With Examples

June 26, 2019 by itadmin Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

How to Convert Hex to Binary: A Step-by-Step Guide

November 19, 2018 by Krishna Srinivasan Leave a Comment

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 […]

Filed Under: Java Tagged With: Binary, Convert, decimal, Hex, Java, metric system, System

Convert String to Date using SimpleDateFormat

November 8, 2013 by Krishna Srinivasan Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

JAXB Tutorial

October 10, 2013 by Krishna Srinivasan Leave a Comment

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 […]

Filed Under: Java Tagged With: Java, JAXB

Basics of Java Interface Usage

October 9, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

Garbage Collection in Java

October 5, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

Best Practices to Override toString Method in Java?

October 3, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

Difference between Checked and Unchecked Exceptions in Java

October 1, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

Dynamic Class Loading using Java Reflection

September 28, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

Difference between ArrayList, Vector and LinkedList in Java

September 25, 2013 by Manisha Patil Leave a Comment

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 […]

Filed Under: Java Tagged With: Java

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