writing a gui program in java

... write as follows to prepare a separate section for storing the addition results in: SECTION ROM_DATA,DATA,LOCATE=H'1100 DATA1: DATA.B 10 DATA2: DATA.B 100 SECTION RAM_DATA,DATA,LOCATE=H'2000 ANSWER: ... unpredictable what are stored there after it is turned on again In other words, you cannot determine what must be included in the RAM data area In the RAM, you can only reserve an area for writing data ... R0L,R1L Bad sample (the same name as an internal register is used as a symbol) Samples available as symbols: Loop Upper and lower cases may be mixed "_" is available as a character End_of_Loop A numeric...

Ngày tải lên: 29/09/2013, 11:20

... mywpdocs.tar will create a compressed file called mywpdocs.tar.gz and the original file will be deleted • gunzip mywpdocs.tar.gz will decompress the file Step 1: Creating the Script Login as a Root and ... as a Root and make sure that to be in the home directory StudentA5 will be used as an example in this lab Ask the instructor for the correct login for the computer At the command prompt, type: ... Essentials II v2.0 - Lab 10.4.10 Copyright  2002, Cisco Systems, Inc 2 Create a vi script that will automate the backup process From the command line, type: vi/home/studentA5/backup This will launch...

Ngày tải lên: 18/01/2014, 05:20

... on each carry In converting an 8-bit binary number to a decimal number, assuming we get Decimal representation = a7 *27 + a6 *26 + a5 *25 + a4 *24 + a3 *23 + a2 *22 + a1 *21+ a0 *20 10110010 in binary, ... 0s and 1s inverted Changing the sign of a signed binary number can be easily done by creating its ones complement and then adding to it This is the same as calculating a complement As an example, ... 1100100 Hexadecimal numbers save on extra lengths and make values easier to read Memory addresses are expressed in hexadecimal in most situations Binary notation also comes an effective way of representation...

Ngày tải lên: 29/09/2013, 11:20

... and Settings/All Users/Start Menu/Programs/Startup Drag the script file that was created in Step and place it into the folder Restart the computer and the script should execute automatically when ... to make sure that is written correctly Reflection Scripts can serve a variety of functions and can be very helpful to a system administrator The script that was written in this lab was fairly ... script again and this time type who’s asking in the box Notice what message is displayed and how it corresponds to the entry in the text of the script Click OK Double-click the script again and...

Ngày tải lên: 11/12/2013, 15:15

... System.Data.SqlClient; // public DataTable MyDataTable { get { // Fill a table using the DataAdapter control DataTable dt = new DataTable( ); da.Fill(dt); return dt; } } public void Update(DataTable ... the SqlDataAdapter control Update( ) This method takes a DataTable object argument that uses the SqlDataAdapter control to update changes to the DataTable (retrieved using the MyDataTable property ... // Update the table back to the data source da.Update(dt); } The test container sample code contains two event handlers: Form.Load Instantiates the component Component0717 and binds the default...

Ngày tải lên: 14/12/2013, 18:16

... ➥de/tarent/forum/OutputDebugInfoTag .java javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” -d /classes ➥de/tarent/forum/NoCacheHeaderTag .java javac -classpath “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalan➥j_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ... “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;” ➥de/tarent/forum/Xalan2Transformer .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalanj1compat.jar;c:\xalan-j_2_0_1\bin\xalan.jar;c:\xalan➥j_2_0_1\bin\xerces.jar;” ... “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalan➥j_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ➥de/tarent/forum/Xalan1Transformer .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;”...

Ngày tải lên: 14/12/2013, 22:15

... java. security.AccessController.doPrivileged(Native Method) at java. net.URLClassLoader.findClass(URLClassLoader .java: 188) at java. lang.ClassLoader.loadClass(ClassLoader .java: 297) at java. lang.ClassLoader.loadClass(ClassLoader .java: 253) at ... java. lang.ClassLoader.loadClassInternal(ClassLoader .java: 313) at java. lang.Class.forName0(Native Method) at java. lang.Class.forName(Class .java: 120) at org.xml.sax.helpers.ParserFactory.makeParser(ParserFactory .java: 124 ... following lines: Including all jars in c:\jakarta-tomcat\lib in your CLASSPATH Using CLASSPATH: c:\jakarta-tomcat\classes;c:\jakartatomcat\lib\ant.jar;c:\jakarta-tomcat\lib\jaxp.jar;c:\jakarta➥tomcat\lib\servlet.jar;c:\jakarta-tomcat\lib\parser.jar;c:\jakarta-tomcat\lib\we...

Ngày tải lên: 14/12/2013, 22:15

... OutputDebugInfoTag .java NoCacheHeaderTag .java Xalan1Transformer .java Xalan2Transformer .java TransformTag .java NodeKey .java BonNode .java ForestHashtable .java BonForumStore .java BonForumEngine .java These ... The Java source code files can be compiled in the following order, among others: BonForumUtils .java BonLogger .java BonForumTagExtraInfo .java OutputPathNamesTag .java OutputChatMessagesTag .java OutputDebugInfoTag .java ... Forwarding Each Request to a JSP At about the same time, we realized that it was easier to create a different JSP page to handle each three-part command than it was to continually revise a Java...

Ngày tải lên: 14/12/2013, 22:15

... action=”/bonForum/servlet/BonForumEngine”> Apache Xalan Version? Xalan -Java

Ngày tải lên: 14/12/2013, 22:15

... global information available: Logging all To access context-initialization parameters from within a servlet, ... Knowing Java, you can imagine that many threads of execution in the Java Virtual Machine may be traversing this one method at close intervals from each other in time Java takes care that they can ... to a chat Handling “guest executes chat” Getting chat item Synchronizing the XML database Finding chat and actor status in chat Rejoining a chat Joining a chat I I I I I I I Adding a guest actor...

Ngày tải lên: 14/12/2013, 22:15

... transformation of a visitor into a chat guest Joining a Chat Many parallels exist between the code that implements starting a chat and the code that implements joining a chat After reading about ... classes, one for Xalan -Java and one for XalanJava Simplifying greatly, here are the statements called by the TransformTag class to get its XML database in a string: private static BonForumStore ... take a look at how a host can rate a chat guest After that, we discuss a variety of ways to call bean methods from JSP The changeChatActorRating( ) Method A command available to chat hosts (and...

Ngày tải lên: 14/12/2013, 22:15

... there are others that give the JSP container information at JSP translation time about tags and the variables they use.These classes are TagAttributeInfo, TagData, TagExtraInfo, TagInfo, TagLibraryInfo, ... class at translation or compilation time to get information about variables that are used in the Web application It will assume as it translates the tag that these variables are available as page ... different ways to manage that A bean can even be made into a tag handler itself, simply by implementing the Tag interface.We make our bean available to the tags by setting a reference to it in an attribute...

Ngày tải lên: 14/12/2013, 22:15

... required for either Xalan -Java or Xalan -Java 2.The classes are called Xalan1Transformer and Xalan2Transformer Each has one method called transform, which returns a string containing the results of ... the Tag Handler object looks for an attribute in application scope, also named xalanVersion, and uses its value to select the processor At present, only Xalan Java and Xalan Java are valid values ... XML data.That is what it’s for, after all! Certainly, it would have been easier to keep all the data in an SQL database and use JDBC connections and SQL queries (tag library are already available)...

Ngày tải lên: 14/12/2013, 22:15

... NodeNameHashtable class, you can see that this cache is an instance of a class (PathNameHashtable) that has been defined to extend java. util.Hashtable, but it adds nothing else to that class Again, ... NodeNameHashtable nodeNameHashtable = new NodeNameHashtable(); Notice that a class called NodeNameHashtable has been defined that extends java. util.Hashtable but that adds nothing to that class.This ... immediately put into the pathNameHashtable (as an element this time) with a key that is a string containing the pathName that was just given as an example pathNames Mapping User Choices to PathName...

Ngày tải lên: 14/12/2013, 22:15

... de/tarent/forum/OutputDebugInfoTag .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/NoCacheHeaderTag .java -d /classes javac -classpath “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalanj_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ... JAVA_ HOME=c:\jdk1.3 rem set JAVAC=c:\jdk1.3\bin\rem javac.exe javac de/tarent/forum/BonForumUtils .java -d /classes javac de/tarent/forum/BonLogger .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ... Projects\bonForum\src\bonMakeIt.bat 481 parameter rem java -classpath “c:\jakarta-tomcat\lib\xalanj1compat.jar;c:\jakartatomcat\lib\xerces.jar;c:\jakarta-tomcat\lib\xalan.jar” org.apache.xalan.xslt.Process -IN bonForumIdentityTransform.xml...

Ngày tải lên: 24/12/2013, 07:17

... exists // always warn user and ask again for new subject and/or new topic // if actor was in it, always join with previous status, else warn and ask again // if actor was in it, always join as guest, ... Web Application * (See chapter Java Servlet and Java Bean - BonForumEngine and BonForumStore” * in the book: XML, XSLT, Java and JSP - A Case Study in Developing a Web Application) * * @param ... cannot parse maxInactiveInterval app attr as int: “ + sessMax); minutes = -1; } session.setMaxInactiveInterval(minutes); // default to forever //session.setMaxInactiveInterval(30); // chats last...

Ngày tải lên: 24/12/2013, 07:17

... * @param parentNodeKeyKey String * @param nameAndAttributes String * @param content String * @param forestHashtableName String * @param nodeKeyHashtableName String * @param sessionId String * ... @param pathName String * @param pathNameHashtable PathNameHashtable * @return NodeKey for the pathName */ protected NodeKey subjectNodeKeyFromPathName(String pathName, PathNameHashtable pathNameHashtable) ... hosts in chat actorKeys = getHostKeysInChat(chatNodeKeyKey); } // chatActor strings contain actorNickname, age:actorAge and rating:actorRating // Here is an example: // John Doe age:12 rating:5...

Ngày tải lên: 24/12/2013, 07:17

... Creates a ForestHashtable of a given capacity * * @param capacity initialCapacity of parent java. util.Hashtable */ public ForestHashtable(int capacity) { super(capacity); nodeNameHashtable = new ... NodeNameHashtable getNodeNameHashtable() { return nodeNameHashtable; } /** Gets pathNameHashtable * @return PathNameHashtable pathNameHashtable */ protected PathNameHashtable getPathNameHashtable() ... rootNodeAttributes String containing all attributes concatenated (name=value name=value ) * @param rootNodeContent String containing text content of node * @param nodeKeyHashtableName String naming...

Ngày tải lên: 24/12/2013, 07:17

... (String)session.getAttribute(“actorNicknameNotAvailable”); if(!actorNicknameNotAvailable.equals(“”)) { actorNicknameNotAvailable = “Please try another nickname “ + actorNicknameNotAvailable + “ is not available! “ ; } if(actorNicknameNotAvailable ... actorNickname = “”; } } catch (java. lang.NullPointerException ex) { actorNickname = “”; } %>

Ngày tải lên: 24/12/2013, 07:17

... name=”xalanVersion” value=”Xalan -Java 1”>Xalan -Java 1  Xalan -Java 2 

Ngày tải lên: 24/12/2013, 07:17