how to write java applet

Code: Import java. Applet .*; Import java. AWT. event .*; Import java. AWT .*; @ Suppresswarnings ("serial ") Public Class Music extends Applet Implements actionlistener { Audioclip audio; Button btexit, btopen, btplay, btloop, btstop; /** * Method Description:

must be replaced with a new one.Gg = Bi. getgraphics ();// The paint brush is white by default.GG. setcolor (mycolor );// To prevent a messy image from being opened, process it.This. xbegin = 100;This. ybegin = 0;This. xend = 0;This. yend = 0;This. repaint ();}Catch (exception ex){Ex. printstacktrace ();}}}Else if (E. getsource () = This. butsave) // save{Int I = jfc. showsavedialog (this. F );If (I = jfilechooser. approve_option){Try{// Save the image// Parameter Buffer location of the image t

JS The following example shows the use of JavaScript to change the applet state and invoke the method in the applet in JavaScript. One, the applet source code (TMIN_JS2.JAVA) Import Import Java.awt.Graphics; Import java.awt.Event; LiveConnect for JavaScript Not used ... (IT ' s more simple) public class Tmin_js2 e

IPreparations before the first example:1. there must be a Java compiler, which can be SUN's JDK compiler, Microsoft's VJ ++, or a compiler developed by some other companies, but it is best to choose VJ ++, because it is now the best Java compiler. 2. A text compiling software, which is available on general machines, can be used in notepad. If it is VJ ++, you can skip this step. If it is JDK, you 'd bet

the file suffix name uniformly?" Please enter the format (), otherwise please enter n/n: "); String input=Sc.next (); Sc.close (); if(Input.equals ("n") | | input.equals ("n")) ) {Usedefaultsuffix=true; return NULL; } Else{Usedefaultsuffix=false; Input="." +input; returninput; } } //provides static methods Public Static voidbegin () {Renametool T=NewRenametool (); T.rename (); } //Main function Public Static voidMain (string[] args) {Renametool T=NewRenametool ();

[Document Introduction] display text is the most basic function in Java. It is very simple to support text display.Display text is the most basic function in Java. It supports text display in a very simple way. You only need to use the drawString () function in Graphics. Let's look at the simplest example of ghq: // Ghq. javaImport java. awt .*;Import

Using Java to control the operation of an application (take NetEase cloud Music as an example), the steps are as follows1, the establishment of BAT file is Start.bat (control program Operation) and Kill.bat (control program end);The Start.bat content is as follows, the function is to run the Program:cmd/c start f:\\00 NetEase Cloud Music \\CloudMusic\\cloudmusic.exeexitDepending on the situation, you can rewrite the installation path for your Applicat

Usually we will browse some Web page content in the browser, when we see the wonderful article information will also be copied and pasted form to save, but there are users in the Copy page content prompts "Cannot copy" problem, this gives us to collect web content to bring trouble, in fact, we can through Win7 64-bit Browser Internet zone disables Java applet script to solve the problem of Web page content

JAVA card application development is not hard ( 2 ) first JAVA Program creation InEclipseAfter the environment is configured, you can startJavaCard application development. First create a newJava card project. Follow the prompts to enter the project name "testproject", package name "testpackage", and Applet Class Name "testclass ". CreateJavaC

Title: Imitate the Javaapparguments.java instance, write a program that accepts multiple numbers from the command line, and then outputs the sum.1. Design IdeasThe parameters you enter are strings, and you want to make them into numbers before you add them. Because you do not know how many parameters to enter, enter n for the For loop. Finally, the sum of these numbers is entered and the final sum is obtained.2. Program FlowchartDefine the number of a

1.Aboutexception ProgramCode:Importjavax.swing.*;classaboutexception { Public Static voidMain (string[] a) {intI=1, J=0, K;//Infinity Positive Infinity//k=i/j; Try //Monitoring{k= i/j;//causes Division-by-zero Exception//throw new Exception ("hello.exception!");}Catch(ArithmeticException e) {System.out.println ("was removed by 0. "+e.getmessage ());}Catch(Exception e) {if(Einstanceofarithmeticexception) System.out.println ("Divide by 0");Else{System.out.println (E.getmessage ());}}finally{Jo

Operation Result:650) this.width=650; "src=" http://img.blog.csdn.net/20150724144448636 "alt=" here write a picture describing "title=" "/>650) this.width=650; "src=" http://img.blog.csdn.net/20150724144516764 "alt=" here write a picture describing "title=" "/>This article is from the "Sanghaidan blog column" blog, please be sure to keep this source http://10602803.blog.51cto.com/10592803/1683073Add button

success, otherwise, validation failed.2. Program Flowchart:3. SOURCE program: Yanzhengma.java file Package demo;import javax.swing.*; Publicclass Yanzhengma { PublicStatic void Main (string[] args) {Generation of 6-bit random stringsString result = ""; for (int i = 0; i {int intval = (int) (Math. Random() * 26 + 97);result = result + (char) intval;}Enter the verification codeString Input=joptionpane. Showinputdialog ("Verification code: \ n" +result, "Please enter the above verification code h

1 Public classJAVA2 {3 Public Static voidMain (string[] args)4 {5System.out.println ("----------------------");6System.out.println ("| | I want to learn | |);7System.out.println ("| | Java language | |);8System.out.println ("----------------------");9 }Ten}A simple Java applet that outputs multiple linesPublic class

Applets are small programs that run in a browser, and Java is also popular in the world from applets. By writing this applet, we can learn the following knowledge: 1. Applet and the main interface in JApplet 2. Image loading and Mediatracker use 3. Use of threads and direct communication with multiple threads 4. Use of the Thread.Join () method 5. Use of vol

Import java.awt.*;Import java.applet.*;public class C4_1 extends Applet{public void Paint (Graphics g){g.DrawString ("Second applet", 25,25);G.draw3drect (25,10,100,20,true);}}//The results are as follows:650) this.width=650; "src=" http://img.blog.csdn.net/20150724022340462 "alt=" here write a picture describing "title=" "/>Operation Method:650) this.width=650;

extends Thread {Object o =null;private static int tickets = 10;public Sellticketsthread (Str ing name,object o) {super (name); THIS.O = O;} Public Sellticketsthread () {} @Overridepublic void Run () {when (true) {while (true) {if (tickets　　Window 1 sell 10th ticket window 1 sell 9th ticket window 1 sell 8th ticket window 3 sell 7th ticket window 3 sell 6th ticket window 3 sell 5th ticket window 3 sell 4th ticket window 2 sell 3rd ticket window 2 sell 2nd TicketIt is also important to note that

In Linux, Firefox uses Java Applet and many release versions will automatically handle this issue, but I like to use another Firefox, because it is very convenient to download and decompress Firefox, in Linux, JDK or JRE must be installed before Firefox uses the applet. the Firefox 3.6 series will no longer support the Java