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Object Oriented Programming Articles
Page 462 of 589
How to add a combination of multiple effects to text in JavaFX?
You can add an effect to any node object in JavaFX using the setEffect() method. This method accepts an object of the Effect class and adds it to the current node.A blend effect is the one that blends two inputs together. The javafx.scene.effect.Blend class represents the blend effect. To add the blend effect to a text node −Instantiate the Text class bypassing basic the x, y coordinates (position), and text string as arguments to the constructor.Set desired properties like font, stoke, etc.Instantiate the Blend class.Set the blend mode using the setMode() method.Create two different inputs by applying effects or changing colors.Set ...
Read MoreHow to add a reflection effect to a text node in JavaFX?
You can add an effect to any node object in JavaFX using the setEffect() method. This method accepts an object of the Effect class and adds it to the current node.The reflection effect renders the reflection of the given content below it. The javafx.scene.effect.Reflection represents the reflection effect. To add a blur effect to a text node −Instantiate the Text class bypassing basic the x, y coordinates (position), and text string as arguments to the constructor.Set desired properties like font, stoke, etc..Create a blur effect by instantiating the Reflection class.Set the created effect to the text node using the setEffect() ...
Read MoreHow to add various fonts to text using text flow in JavaFX?
You can have multiple text nodes in a single flow using the TextFlow layout. To have different fonts to single text flow.Create multiple text nodes.Set desired fonts to them.Add all the created nodes to the text flow.Exampleimport java.io.FileNotFoundException; import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.stage.Stage; import javafx.scene.text.Font; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; import javafx.scene.text.TextFlow; public class TextFlowExample extends Application { public void start(Stage stage) throws FileNotFoundException { //Creating a text object String str1 = "Hi "; Text text1 = new Text(30.0, 110.0, str1); //Setting the ...
Read MoreHow to add LCD (liquid crystal display) to text in JavaFX?
The javafx.scene.text.Text class has a property named fontSmoothingType, which specifies the smoothing type of the text. You can set the value to this property using the set setFontSmoothingType() method accepts two parameters −FontSmoothingType.GRAY − This specifies the default grayscale smoothing.FontSmoothingType.LCD − This specifies the LCD smoothing. This uses the characteristics of an LCD display and enhances the smoothing of the node.To add an LCD display to a text −Create a text node by instantiating the javafx.scene.text.Text class.Create a required font using one of the font() methods of the javafx.scene.text.Font class.Set the font to the text using the setText() method.Set the ...
Read MoreHow to print pid, info, children, and destroy processes in JShell in Java 9?
JShell is a Java Shell tool used to execute simple java statements like classes, methods, interfaces, enums, and etc.. evaluates it, and prints the result in a command-line prompt.Java has improved Process API to manage and control operating system processes. ProcessHandle interface identifies and provides control of native processes, methods to check processes liveness, and destroy the process. ProcessHandle.Info interface gives an Information snapshot of a process.In the below code snippet, we can print pid, info, children, and destroy processes of Process API.in JShell tool.Snippetjshell> ProcessHandle currentProcess = ProcessHandle.current(); currentProcess ==> 3960 jshell> System.out.println("Current Process Id: = " + currentProcess.pid()); Current Process Id: = 3960 jshell> ...
Read MoreHow to get system properties in JShell in Java 9?
JShell is a REPL (Read-Evaluate-Print-Loop) tool used to execute simple statements, evaluates it, and displays the result without a main() method. We can start it by simply type "jshell" in command-line prompt.We need to get the system properties by using System.getProperty() and System.getProperties() methods.In the below code snippet, we can able to display the system properties in the JShell tool by using static method property() of System class.Snippet-1jshell> System.getProperty("java.class.path") $1 ==> "C:\Program Files\Java\jdk-9.0.4\lib;C:\json-jars\json.jar;.;C:\json-jars\json-simple.jar;.;C:\json-jars\gson.jar;.;C:\json-jars\commons-io.jar;.;C:\json-jars\jackson-core.jar;.;C:\json-jars\jackson-databind.jar;.;C:\json-jars\jackson-annotations.jar;.;C:\json jars\flexjson.jar;.;C:\json-jars\jackson-dataformat-xml.jar;.;C:\json-jars\stax2-api.jar;.;C:\json-jars\jackson-dataformat-csv.jar;.;C:\json-jars\javax.json.jar;.;C:\json jars\javax.json-api.jar;.;C:\json-jars\jackson-module-jsonSchema.jar;.;C:\json-jars\json-lib.jar;.;C:\json-jars\commons-lang.jar;.;C:\json-jars\commons-logging.jar;.;"In the below code snippet, we have to use the “properties” object that extends Hashtable. So all properties can be listed as key/value pairs in the JShell tool by using ...
Read MoreHow to implement JShell using JavaFX in Java 9?
JShell is an interactive tool used to implement sample expressions. We can implement JShell programmatically using JavaFX application then we need to import a few packages in the java program listed belowimport jdk.jshell.JShell; import jdk.jshell.SnippetEvent; import jdk.jshell.VarSnippet;In the below example, implemented a sample Java FX application. We will enter different values in the text field and press the "eval" button. It will display values with corresponding data types in a list.Exampleimport javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.*; import javafx.scene.layout.*; import javafx.stage.Stage; import java.util.List; import jdk.jshell.JShell; import jdk.jshell.SnippetEvent; import jdk.jshell.VarSnippet; public class JShellFXTest extends Application { @Override public void start(Stage primaryStage) ...
Read MoreHow to implement HashMap, LinkedHashMap, and TreeMap in JShell in Java 9?
JShell is a command-line prompt tool introduced in Java 9, and it is also called a REPL tool to evaluate simple statements, executes it, and print the output immediately.A Map interface specifies a contract to implement collections of elements in the form of key/value pairs. Java collection classes that implement the Map interface are HashMap, LinkedHashMap, and TreeMap.In the below code snippet, the elements of HashMap are not guaranteed to store either in an insertion order or in the sorted order of keys.Snippet-1jshell> HashMap hashMap = new HashMap(); hashMap ==> {} jshell> hashMap.put("Adithya", 101); $2 ==> null jshell> ...
Read MoreDifferences between CompletableFuture and Future in Java 9?
CompletableFuture class implements Future interface in Java. CompletableFuture can be used as a Future that has explicitly completed. The Future interface doesn’t provide a lot of features, we need to get the result of asynchronous computation using the get() method, which is blocked, so there is no scope to run multiple dependent tasks in a non-blocking fashion whereas CompleteFuture class can provide the functionality to chain multiple dependent tasks that run asynchronously, so we can create a chain of tasks where the next task is triggered when the result of the current task is available.Syntaxpublic class CompletableFuture extends Object implements ...
Read MoreHow to get a snapshot of information about Process API in Java 9?
Java 9 has improved Process API by including new methods and introduced new interfaces ProcessHandle and ProcessHandle.Info to get all the details regarding the process and its information.ProcessHandle interface can identify and provide control of native processes. Each individual process can be monitored for liveness, listed its children, get information about the process, or destroys it. ProcessHandle.Info interface gives information snapshots about a process.SyntaxProcessHandle.Info info()Examplepublic class ProcessSnapShotTest { public static void main(String[] args) { ProcessHandle currentProcessHandleImpl = ProcessHandle.current(); ...
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