jlabel java

When the interface is generated, I want to do a click on a JLabel add a jlabel, that is, similar to the QQ add friends can be added to a friend in a timely manner. Oneself to do for a long time, found not timely refresh. I looked it up on the internet and studied it for a little while. Discover the need to validate this function to re-layout. Wrote a little feature of this. PackageQq.client.tools;Importjava

Java image interface development example For jradiobutton, jcheckbox, and jlabel applications, you only need to modify the jcheckbox and jlabel applications and add single-choice buttons. A set of note single-choice buttons must be placed in the buttongroup to take effect. The Code is as follows:Import java. AWT. borde

Package com. beyole. util; import java. awt. color; import java. io. file; import javax. swing. icon; import javax. swing. imageIcon; import javax. swing. JFrame; import javax. swing. JLabel; public class test4 {public static void main (String [] args) {JFrame frame = new JFrame ("Crystal"); String path = "f:" + File. separator + "1.jpg"; Icon icon = new ImageIco

Package Thread_test;import Java.awt.container;import Javax.swing.jframe;import javax.swing.jlabel;import Javax.swing.swingconstants;public class Thread_swing extends JFrame {/** * */private static final long Serialversionuid = 1l;private JLabel JL = new JLabel ("Hi");p rivate static Thread t;private int count = 0;private Container c = Getcontentpan E ();p ublic thread_swing () {//TODO auto-generated Constr

Java image interface development example The jlabel component is used to display text information. The jcheckbox component is used to set text attributes. The Code is as follows:Import java. AWT. borderlayout; Import java. AWT. Font; Import java. AWT. event. actionevent; Imp

Package com. beyole. util; import java. awt. color; import java. awt. dimension; import java. awt. point; import javax. swing. JFrame; import javax. swing. JLabel; public class test2 {public static void main (String [] args) {JFrame frame = new JFrame ("welcome to mldn "); // instantiate the window program

problem : Use a jlabe to display the number of seconds, and automatically reduce the number by 1 per secondThe problem seems very simple, but for beginners of Java, I really took a little effort.The first is how to do it instantly, and can take a threading approach:try {thread.sleep;} catch (Interruptedexception e) {e.printstacktrace ();} TimeLeft--;Thread.Sleep (N)Represents n milliseconds before proceeding to the next step, that is, when n is 1000,

construction method//Create a label and set the text on the label right in the middle of the labelJLabel jl=NewJLabel ("Test", Icon,swingconstants.center); JFrame JF=NewJFrame ();//Create a jframe windowContainer Container=jf.getcontentpane ();//Convert a window to a containerContainer.setbackground (Color.Blue); Container.add (JL); //set the external properties of a containerJf.settitle ("Use of tags, create icons"); Jf.setvisible (true); Jf.setsize (340,400); Jf.setdefaultcloseopera

facilitate the display of large images Import javax. swing. imageicon; import javax. swing. jframe; import javax. swing. jlabel; import javax. swing. jscrollpane; public class scrollpaneframe {public static void main (string [] ARGs) {jframe frame = new jframe (); jlabel image = new jlabel (New imageicon ("a.jpg ")); frame. getcontentpane (). add (New jscrollpan

Character calculator JFrame form software edition JPanel JTextField JTextArea JButtton JLabel setContentPane, Import java. awt. borderLayout; import java. awt. color; import java. awt. gridLayout; import java. awt. event. actionEvent; import

/***//** * @ (#) C10_1.java * * * @ Author * @ Version 1.00 */ Import java. AWT .*; Import javax. Swing .*; Import java. AWT. event .*; Public class c10_1 extends japplet implements actionlistener ...{ Container CP = getcontentpane (); Icon Pa = new imageicon ("G:/javadocs/a1.gif "); Icon Pb = new imageicon ("G:/javadocs/a2.gif "); Icon Pc = new imageicon ("G:/

ObjectiveThis article describes how to help jfc/swing jlabel components create more colorful applications with Java 2D's "magic". As one of the basic components of the jfc/swing architecture, JLabel is widely used. When you want to draw non-editable text, JLabel is the only option that Jfc/swing offers us. In general,

=NewJLabel (); Pngreen.add (result); Result.settext (After entering the name, click on the ' Test character ' button to see the character value! "); //top row Yellow canvas re-layoutPnyellow.setlayout (NewBorderLayout ()); JLabel label=NewJLabel ();//Generate LabelsLabel.settext ("Enter Name"); Pnyellow.add (label, borderlayout.west);//put it on the left side of the yellow canvasLabel.setbackground (Color.yellow); JTextField text=NewJTextField

The first thing to grasp is a concept: a string of pixels in the computer screen, for example, to take a jlabel inside the text occupied by the width and height, the method is as follows: (mainly used FontMetrics class) import　java.awt.FontMetrics; import　javax.swing.JLabel; JLabel　label　=　new　JLabel("test　Label　"); FontMetrics　metrics　=　label.getFontMetrics(lab

Reproduced from: http://blog.sina.com.cn/s/blog_6eef4a86010140or.html JLabel, JButton, etc. cannot be wrapped in "\ n", but they support HTML, so they can be implemented with Attach a small procedure: 01PackageCom.kaso.Test;0203ImportJavax.swing.JFrame;04ImportJavax.swing.JLabel;0506Public classTestframeextendsJFrame {07PrivateJLabel label =NewJLabel ("");0809 PublicTestframe () {10 This. Add (label);One String s = Fun ();Label.settext ("1

successfully! ");} Catch (SQLException B) {B. printStackTrace ();} finally {try {conn. close (); System. out. println ("MySQL disabled successfully");} catch (SQLException c) {System. out. println ("MySQL failed to close"); c. printStackTrace () ;}}}); buttonreturn. addActionListener (new ActionListener () {public void actionreceivmed (ActionEvent e) {Window window Window = new Window () ;}}); this. setTitle ("add student information"); this. setLayout (new GridLayout (9, 1); this. add (jpnumbe

: Package com. swift; import java. awt. eventQueue; import java. awt. event. actionEvent; import java. awt. event. actionListener; import java. awt. event. windowAdapter; import java. awt. event. using wevent; import javax. swing. JButton; import javax. swing. JDialog; impor

Java GUI implements the student achievement management system, I have been learning java for more than a year and have been doing web exercises. In a project, I found that the GUI-related knowledge is required and the results cannot be obtained, there are not many articles in this area on the Internet, so I had to learn them from the beginning. However, I found that the GUI is very interesting, he does not

Java --- Swing Interface Development Summary, java --- swing Interface I. graphical interface of java 1. awt java. awt The graphic interface launched before jdk1.4 is written in c/c ++, which is not cross-platform. 2. swing javax. swing Jdk1.4 graphic interface, good cross-platform Ii. common components 1. Container Co

Java course practice log (Thursday) and java practice log Import java. awt. eventQueue; import javax. imageio. imageIO; import javax. swing. JFrame; import javax. swing. JPanel; import javax. swing. border. emptyBorder; import javax. swing. abstractButton; import javax. swing. imageIcon; import javax. swing. JButton; import javax. swing. JFileChooser; import java