Java 9 features - Collections Update
Finally, Java 9 is out and it's high time to go through and discuss the issues of previous JDK releases and discuss the benefits of recently release JDK 9 features. Changing in Collections is one of the features that is of particular interest to developers and is discussed in this article.
Some
Read More about it from the following link : http://coding-guru.com/java-9-features-collections-update/ posted by Gul
Java 9 Support for Eclipse IDE and 1st Java 9 Example
Recently java 9 has been released and support to make your eclipse IDE ready to build, debug and run Java 9 code. Java 9 applications are available at Eclipse Marketeplace and you may install it from Marketeplace client in the Eclipse IDE by going to Help-> Eclipse Marketeplace or by dragging
Read More about it from the following link : http://coding-guru.com/2709-2/ posted by Gul
Advance Streams Operations
Plethora of different operations available with streams. Some basic and very important operations are already been discussed in previous article (read it from here). Let's see how collect, flatMap and reduce operations works.
How to use Collect operation in streams?
Collect is used to transform
Read More about it from the following link : http://coding-guru.com/advance-streams-operations/ posted by Gul
Streams in Java
Java stream API is available in java 8 and is completely different from InputStream and OutputStream of java I/O. Streams are playing a vital role to bring functional programming to java. In this tutorial you will learn the most powerful operations offered by streams API such as reduce, collect,
Read More about it from the following link : http://coding-guru.com/streams-in-java-java-8-api/ posted by Gul
Functional Interfaces in Java
Java 8 introduced lambda expressions, which allowed us to write short and simple code using default interface methods, lambda expressions, method reference and repeatable annotations. As we know java is a strongly typed language and it is mandatory to declare types but designers of lambda
Read More about it from the following link : http://coding-guru.com/functional-interfaces-in-java/ posted by Gul
Interfaces in Java
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Interfaces in java are same like an abstract class, it does not attribute definition and all of its methods are abstract. An interface don't have constructors and can't be instantiated. From Java 8 onward non abstract methods can be included in the interface by using default keyword. These
Read More about it from the following link : http://coding-guru.com/interfaces-java/ posted by Gul
Map Interface in Java
Before proceeding with this article, If you are a new reader and you are not much familiar about collections. Read this article for more information ( Collections in java). Following are the key points to remember about Map and HashMap in java.
Maps keys to values and can't contain duplicate
Read More about it from the following link : http://coding-guru.com/map-interface-in-java/ posted by Gul
Collections in Java
Arrays are used in java to store several objects. The issue with array is that it does not support dynamic allocation. It has a fixed length which is not changeable once it is declared. Moreover, array is a very simple linear structure and many applications require more flexible and complex
Read More about it from the following link : http://coding-guru.com/collections-in-java/ posted by Gul
How to work with gradients in CSS3
How to work with gradients in CSS3
CSS3 gradients are used to display smooth transitions between two or more colors. Images were used earlier to display effects, but now in CSS3 we can use gradients. Gradients save bandwidth and load time. In a previous tutorial you learned about CSS3 Pseudo
Read More about it from the following link : http://coding-guru.com/how-to-work-with-gradients-in-css3/ posted by Maz
How to work with gradients in CSS3
How to work with gradients in CSS3
CSS3 gradients are used to display smooth transitions between two or more colors. Images were used earlier to display effects, but now in CSS3 we can use gradients. Gradients save bandwidth and load time. In a previous tutorial you learned about CSS3 Pseudo
Read More about it from the following link : http://coding-guru.com/how-to-work-with-gradients-in-css3/ posted by Maz
Image Pyramid - Expanding Image
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Image pyramid is widely used in computer vision which allow us to convert an image / frame to a different size ( smaller or larger ) than its original size. There are two possible method available in openCV which allow us to up size
Read More about it from the following link : http://coding-guru.com/image-pyramid-expanding-image/ posted by Gul
Enum Types in Java
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Java provided Enum types are very powerful than other programming languages. Following are the main points one should remember about java enum types.
enum type is defined using enum keyword
enum type is a special data type that allows a variable that consist of a predefined
Read More about it from the following link : http://coding-guru.com/enum-types-java/ posted by Gul
MongoDB - $exists and $regex operator
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$exists
As mongoDB is schema less. In database some table can have different schema. for example if we have Persons database and
in that database we have people collection. If we need to know that whether a certain field exists in collection or not.
Syntax: { field: { $exists:
Read More about it from the following link : http://coding-guru.com/mongodb-exists-and-regex-operator/ posted by Maz
Define Classes and Objects in Java
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This tutorial will help you to define your own classes, including a set of data fields, methods, constructors, using classes by creating objects and invoke methods.
Class
A class describes the structure and behavior of similar objects. It is also described as a blue print, pattern,
Read More about it from the following link : http://coding-guru.com/define-classes-and-objects-in-java/ posted by Gul