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    New Date and Time API in Java 8

    by dhamodaranr April 26, 2020

    Date and Time API in Java prior to Java 8 always scare the ordinary developers due to inadequate support for the date and time use cases. Before Java 8, the classes (such as java.util.Date and SimpleDateFormatter) aren’t thread-safe, leading to potential concurrency issues for user which made…

    Core Java, Programming 0

    11 Ways to Convert InputStream to String in Java

    by dhamodaranr March 28, 2019

    As we discussed earlier about Java I/O in Decorator Design Pattern. Java I/O  often results in a large number of small classes that can be overwhelmed to developer trying to use the API. In this article we are going to see 11 ways to convert Java…

    Core Java, Programming

    How To Enable Gzip Compression

    by dhamodaranr February 13, 2019

    GZIP compression is used to reduce the traffic between the web servers and the browser. By using GZIP we can reduce the sizes of the files such as HTML, JavaScript, JSP and images upto 70% of file size. Enabling GZIP in servers is as easy…

    Programming, Technology

    What Is An Abstract Class In Java?

    by dhamodaranr January 16, 2019

    Let’s see what is an abstract class in Java. Consider below hierarchy of object creation for mobile manufacturing company. If company wants to create new model of any device (any of sub class type), then it can be created using new object instantiation. It makes…

    Core Java, Programming

    Polymorphism in Java

    by dhamodaranr January 6, 2019

    The word ‘Polymorphism in Java’ literally means ‘a state of having many shapes’ or ‘the capacity to take on different forms’. An important example of polymorphism is how a parent class refers to a child class object.  In fact, any object that satisfies more than…

    Core Java, Programming

    Understanding Inheritance in Java

    by dhamodaranr December 27, 2018

    Let’s try understanding inheritance in Java – On high level, when we design using inheritance. We put the common code in class and then tell other specific classes(more abstract) that common code is their super class. When one class inherits from another class i.e., the…

    Core Java, Programming

    How To Edit Class File From A JAR File?

    by dhamodaranr November 26, 2018

    Editing class file from a JAR file can also be called as patching a Java executable (Jar files) without knowing the source code. Let’s see how to edit class file from a JAR file using easy way of patching the Java executable file. Methods (Method…

    Core Java, Programming

    Comparing ArrayList to a Regular Array

    by dhamodaranr November 17, 2018

    Let’s see Comparing ArrayList to a Regular Array, 1. A plain old array has to know its size at the time it’s created But for ArrayList, you just make an object of type ArrayList. Everytime, it never needs to know how big it should be,…

    Core Java, Programming

    What is Encapsulation in Java?

    by dhamodaranr November 17, 2018

    Let’s see, What is Encapsulation in Java? Encapsulation is like creating a security layer for your instance variables rather than exposing it naked to the world. Hope you would know about private, public access modifiers. Encapsulation is going to use private, public access modifiers to implement…

    Core Java, Programming

    Java follows Pass By Value as Parameter Passing Mechanism

    by dhamodaranr November 14, 2018

    Java follows Pass by Value and not Pass by Reference for parameter passing mechanism. While talking about pass by value and pass by reference, first we should understand what is pass by value and pass by reference and then we can jump into example of pass by…

    Core Java, Programming
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