This is a simple example of a mp3 player created with JavaFX. It has a button to open and play the track, pause, resume and stop buttons with their respective functionalities. To play the music we use MediaPlayer class -> The MediaPlayer class provides the controls for playing media. MediaPlayer provides the pause(), play(), stop() … Read more
This is a simple gear wheels example, each gear is created by two rectangles in a specific degree and spinning around. A RotateTransition is used to rotate both rectangles by 360 degrees repeatedly over a period of 5000 milliseconds, creating the illusion of both rectangles spinning together. All gears will be rotating in the middle … Read more
In this example, let’s see how to make a ball which bounces back when it reaches the borders of the application: A red Circle object is created with a radius of 30 pixels. The Circle is then added to a Pane, which is set as the root node of a Scene with a width of … Read more
Simple Java FX application which creates and removes elements from the list. This is a basic example of a To Do List application using JavaFX. The program creates a window with a text field for inputting new tasks, a list view for displaying the tasks, and two buttons for adding and removing tasks. The tasks … Read more
In this example we will use Java FX and create animation in which Earth will go around the sun: Maven pom.xml dependencies of JavaFX: Java code: This program creates a simple animation of the Earth going around the Sun using the JavaFX library. The animation is created using a PathTransition object, which animates a node … Read more
How to work with Java and JSON? Sometimes in Java we need to work with different type data formats. One very common is JSON. In this tutorial we will see how to use popular Java library Jackson to read and write from JSON format. To work with external libraries like jackson-databind we can download the … Read more
BigDecimal represent immutable, arbitrary-precision signed decimal numbers. A BigDecimal consists of an arbitrary precision integer unscaled value and a 32-bit integer scale. The BigDecimal class provides operations for arithmetic, scale manipulation, rounding, comparison, hashing, and format conversion. The toString() method provides a canonical representation of a BigDecimal. Why we need BigDecimal? We already have double, … Read more
Difference between comparison and equality check In many cases we have to compare objects. There are different type of comparison. In some cases you need to order (sort) some object based on some rules. Then in Java you can use Comparable and Comparator. In other cases we need to check if the object are logically … Read more
The String class represents character strings in UTF-16 encoding. All string literals in Java programs, such as “abc”, are implemented as instances of this class. Strings are constant; their values cannot be changed after they are created. String buffers ( StringBuffer and StringBuilder ) support mutable strings. Because String objects are immutable they can be … Read more
In Java method overriding can exist when there is Parent-Child classes and the child class provide specific implementation of a method that is also present in the Parent class. Chair [ Parent class ] | int weight() [ Method of the Chair class ] | | [Armchair extends Chair] \/ Armchair [ Child class ] … Read more
