OCAJP 8 – Lambda Expression / Predicate

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This tutorial is a preparation material for OCAJP certification exam. This covers the objective 9.5 in the OCAJP 8 exam topics (Write a simple Lambda expression that consumes a Lambda Predicate expression). The mock exams that would appear on the real exams could be simpler than the sample mock exams in this tutorial. Java is […]

OCAJP (Oracle Certified Associate Java Programmer)

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What is OCAJP Exam? Oracle′s Java SE Programmer I (OCAJP) Exam to achieve Oracle Certified Associate, Java SE Programmer Certification. This is the entry level of Java Certification. For every new version of Java, this exam will be updated with the new changes in the Java technology. The latest version of this certification is Java SE […]

Spring Batch Example

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Introduction Spring batch is a batch processing framework developed and maintained by the Spring framework team. It is one of the leading and popular batch processing framework in the market. Spring batch uses the chunk oriented processing for performing the batch processing which is more efficient for handling the large volume of data. Spring batch […]

JQueryUI Selectable Widget Example

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jQueryUI provides selectable widget which allows selecting elements individually or in group elements by using the mouse. It also possible to select elements with the mouse hovering on the elements by dragging a box. Elements can be selected by clicking on the element or by dragging the element and also allows selecting of multiple elements […]

JQuery UI Draggable Example

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The drag is a common feature which is an event, enables dragging by allowing DOM elements to be moved using the mouse. It is something like, when we grab an object and drag it to a different location. It is an intuitive way for user to interact with website or application. Once the element is […]

JQuery ajaxStart Example

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The ajaxStart() method triggers when an Ajax request begins and there is no other requests are in active process. This method is used to show the graphics, when the data is loading from the server. When AJAX request begins, then the AjaxStart() method add to the function. Create Buttons using jQueryUI How to detect jQuery […]

Java 8 – Functional Interfaces

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What are Functional Interfaces? Functional interfaces are those interfaces that has single abstract method. According to Java 8 Specification, interface can be known as functional interface if there is a single method that is compliant with the below rules: If an interface has single abstract method, then it is known as the functional interface. A functional interface can have any […]

JQuery Enabled Selector Example

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It selects all the enabled elements in the form. In general, it makes activate for doing operations on elements such as input type text elements, button element etc in the document. It is recommended that it must start with tag name, otherwise by defult it selects all the elements in the form by using defualt […]

JqueryUI Accordion Example

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The jQueryUI provides collapsible widget called accordion is a view of hierarchy so that only the roots of each branch are visible. It is widely used to manage large content and navigation lists on the website. We can easily create collapsing division within a webpage which is used to build accordion navigation, content boxes etc. […]

JQueryUI Droppable Widget Example

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The jQueryUI Droppable plugin triggers when an accepted draggable is dropped ‘over’ this droppable. The interaction of droppable depends on draggable element. In general we can say that, target region for draggable element is droppable. We can create target on the page for dropping draggable elements. also read: JQuery Keydown, Keypress and Keyup JQUery Setting […]