All functionality is the same as the previous section except for some changes inpaintComponent()of thehexagon.javaclass. This time, we create aPolygonclass object to use theaddPoint()method to add points. We set the color and fill the shape usingsetColor()andfillPolygon()methods.
importjava.awt.*;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;publicclassJavaExample{staticintcounter=0;publicstaticvoidmain(String[]args){Frame frame=newFrame("Counter Example");frame.setSize(400,300);Button button=newButton("Click");button.setBounds(100,50,100,40);Label...
Strings are Objects in Java, but the ability to use literals, along with the String concatenation operator, make them somewhat similar to primitive types. Java also automatically “interns” String literals, meaning that a single String object will be created for a literal that is used multiple ...
Digitally Sign a PowerPoint Document in Java Digitally Sign a PDF Document in Java Add Spire.Office.jar as Dependency To begin with, you need to download Spire.Office for Java and add the Spire.Office.jar file in your Java application as a dependency. If you use Maven, you can easily...
Move the mouse around in the lower part of the window. The image of Duke drags behind the green and red labels, but in front of the other three labels. Use the combo box at the top of the window to change Duke's depth. Use the check box to set whether Duke is in the top positi...
You get a file name from chooser and look to see if exists but that is not the file name you actually use, that one has ".xml" appended to it. Also, you have ? 1 2 3 4 if( ! exists ) { // create it } if( exists ) { // well of course it exists, you just creat...
importjava.awt.event.*; importjava.net.*; publicclassIPFinderextendsJFrameimplementsActionListener{ JLabel l; JTextField tf; JButton b; IPFinder(){ super("IP Finder Tool"); l=newJLabel("Enter URL:"); l.setBounds(50,70,150,20);; ...
In this program, we will learn the slider in java & also perform the various operation with sliders. we change the color of the text area with the slider bar in Java. If we want to use the slider bar in our program then we will have to use JSlider in our program. Java program to...
The following snapshots show three frames that are identical except for their window decorations. As you can tell by the appearance of the button in each frame, all three use the Java look and feel. The first uses decorations provided by the window system, which happen to be Microsoft Windows...
Add a Java library for accessing document scanners using Dynamic Web TWAIN Service’s REST APIs. The library was built in aprevious Java document scanner blog. dependencies{implementation'com.github.tony-xlh:docscan4j:v2.0.0'} Add Permissions ...