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java Programming Glossary: valueHow to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet etc . String fieldname item.getFieldName String fieldvalue item.getString ... do your job here else Process form file.. and can't upgrade it then you need to extract the value from getPart as follows instead String description getValue.. InputStreamReader part.getInputStream UTF 8 StringBuilder value new StringBuilder char buffer new char 1024 for int length 0..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java are not modified then it must keep returning the same value . Furthermore o.equals null must always return false. hashCode.. in terms of equals it must keep returning the same value . The relation between the two methods is Whenever a.equals..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests url http example.com String charset UTF 8 String param1 value1 String param2 value2 ... String query String.format param1.. String charset UTF 8 String param1 value1 String param2 value2 ... String query String.format param1 s param2 s URLEncoder.encode.. param2 charset The query parameters must be in name value format and be concatenated by . You would normally also URL..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading as cookie name and the unique session ID as cookie value. As per the HTTP cookie specification a contract a decent webbrowser.. of the cookie with the name JSESSIONID and use its value the session ID to get the associated HttpSession from server's..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files are used if necessary to transform data also called value objects returned from processing the client's requests into.. Language those things. E.g. redisplaying submitted input values input type text name foo value param.foo The param.foo displays.. submitted input values input type text name foo value param.foo The param.foo displays the outcome of request.getParameter..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense results of JSF events like preRenderView or submitted form values in the model. JSTL tags should be used carefully in Mojarra.. bean by a JSTL tag attribute then it won't return the value you expect or it will be lost in the real view scoped bean which..
http://stackoverflow.com/questions/40480/is-java-pass-by-reference parameter passing terminology pass by reference pass by value share improve this question Java is always pass by value... share improve this question Java is always pass by value. The difficult thing can be to understand that Java passes objects.. objects as references and those references are passed by value. It goes like this public void foo Dog d d.getName .equals Max..
Java String.equals versus == [duplicate] http://stackoverflow.com/questions/767372/java-string-equals-versus are usually interned such that two constants with the same value can actually be compared with but it's better not to rely on..
how to wire one JPane to another JPane http://stackoverflow.com/questions/10523343/how-to-wire-one-jpane-to-another-jpane extends JPanel private JLabel title new JLabel Value received private JLabel label new JLabel null JLabel.CENTER.. .equals ObservedPanel.PHYSICIST String value e.getNewValue .toString label.setText value this.add observed class ObservedPanel.. JComboBox combo new JComboBox items private String oldValue public ObservedPanel this.setBorder BorderFactory.createTitledBorder..
How to sort a Map<Key, Value> on the values in Java? http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java to sort a Map Key Value on the values in Java I am relatively new to Java and often.. args HashMap String Double map new HashMap String Double ValueComparator bvc new ValueComparator map TreeMap String Double.. map new HashMap String Double ValueComparator bvc new ValueComparator map TreeMap String Double sorted_map new TreeMap String..
SwingPropertyChangeSupport to dynamically update JTextArea http://stackoverflow.com/questions/11827326/swingpropertychangesupport-to-dynamically-update-jtextarea ArrayForUpdating.BOUND_PROPERTY mList pcEvt.getNewValue .toString displayOutput.setText mList adds left hand side.. arrayIndex public void processInput int a String newValue codeIn.getText arrayForUpdate.instructionsIn newValue a class.. newValue codeIn.getText arrayForUpdate.instructionsIn newValue a class ArrayForUpdating public static final String BOUND_PROPERTY..
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans are actually needed. Hibernate and Spring are examples. Value Object A Value Object or VO is an object such as java.lang.Integer.. needed. Hibernate and Spring are examples. Value Object A Value Object or VO is an object such as java.lang.Integer that hold.. definition I often refer to Martin Fowler's description of Value Object In Patterns of Enterprise Application Architecture I..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet to fill options for. String val request.getParameter val Value of parent DD to find associated child DD options for. Map String..
Using Regular Expressions to Extract a Value in Java http://stackoverflow.com/questions/237061/using-regular-expressions-to-extract-a-value-in-java Regular Expressions to Extract a Value in Java I have several strings in the rough form some text..
Recommended JSF 2.0 CRUD frameworks [closed] http://stackoverflow.com/questions/3180400/recommended-jsf-2-0-crud-frameworks f facet # item.id h column h column f facet name header Value f facet # item.value h column h column h commandButton value.. panelGroup rendered # bean.edit h3 Add item h3 h form p Value h inputText value # bean.item.value p p h commandButton value.. # bean.edit h3 Edit item # bean.item.id h3 h form p Value h inputText value # bean.item.value p p h commandButton value..
JTable design to synchronize with back-end data-structure http://stackoverflow.com/questions/3590897/jtable-design-to-synchronize-with-back-end-data-structure data format is represented in the DS as DS Format Key Value 12.1 30 true 32 false 45 true 50 false 30.2 30 true 32.4 true.. editing popup new PopupDialog public Object getCellEditorValue return currentText public Component getTableCellEditorComponent..
Value Change Listener to JTextField http://stackoverflow.com/questions/3953208/value-change-listener-to-jtextfield Change Listener to JTextField I want the message box appear..
How can I update a JFreeChart's appearance after it's been made visible? http://stackoverflow.com/questions/5522575/how-can-i-update-a-jfreecharts-appearance-after-its-been-made-visible chart ChartFactory.createTimeSeriesChart title Date Value roiData true true false XYPlot plot chart.getXYPlot XYLineAndShapeRenderer..
http://stackoverflow.com/questions/5621338/how-to-add-jtable-in-jpanel JScrollPane labels BorderLayout.CENTER String header Name Value String a new String 0 String names System.getProperties ...
JFreeChart scaling of Boxplots with several Categories http://stackoverflow.com/questions/6844759/jfreechart-scaling-of-boxplots-with-several-categories List Double for int j 0 j ROWS j list.add createValues data.add list private List Double createValues List Double.. createValues data.add list private List Double createValues List Double list new ArrayList Double for int i 0 i VALUES.. new CategoryAxis Category NumberAxis yAxis new NumberAxis Value BoxAndWhiskerRenderer renderer new BoxAndWhiskerRenderer plot..
List of useful environment settings in Java http://stackoverflow.com/questions/7585699/list-of-useful-environment-settings-in-java target jj source.length columnNames new String Attribute Value for Line line all Control controls line.getControls if line.. soundMIDINode columnNames new String Attribute Value MidiDevice.Info midiDeviceInfo MidiSystem.getMidiDeviceInfo..
JTable duplicate values in row http://stackoverflow.com/questions/9132987/jtable-duplicate-values-in-row getRowCount return data.size @Override public Object getValueAt int rowIndex int columnIndex if rowIndex getRowCount return.. example on how to override isCellEditable and setValueAt . import java.awt.EventQueue import java.awt.GridLayout import.. getColumnName int col if col 0 return Key else return Value @Override public int getColumnCount return 2 @Override public..
In Java, what is a shallow copy? http://stackoverflow.com/questions/1175620/in-java-what-is-a-shallow-copy init int b a shallow copies REFERENCE int c a deep copies VALUE a Result a is 11 b is 11 c is 10 share improve this answer..
Should a “static final Logger” be declared in UPPER-CASE? http://stackoverflow.com/questions/1417190/should-a-static-final-logger-be-declared-in-upper-case final reference and should NOT be in uppercase. A constant VALUE should be in uppercase. private static final Logger logger Logger.getLogger..
How to save a .pdf from a browser? http://stackoverflow.com/questions/19059769/how-to-save-a-pdf-from-a-browser this.form TD TR TABLE INPUT TYPE hidden NAME actionFlag VALUE inbox FORM BODY HTML TD TR TR TD height 2 TD TR TR TD colspan..
Getting the Return Value from JDBC MSSQL http://stackoverflow.com/questions/1947754/getting-the-return-value-from-jdbc-mssql This question is specifically about how to get the RETURN VALUE as opposed to a Result Set . The Return Value is an integer..
http://stackoverflow.com/questions/2349633/servlets-doget-and-dopost INPUT TYPE PASSWORD NAME mypassword INPUT TYPE SUBMIT VALUE Identification form When I use method get in the servlet I get..
Generic type parameter naming convention for Java (with multiple chars)? http://stackoverflow.com/questions/2900881/generic-type-parameter-naming-convention-for-java-with-multiple-chars practice. Alternatives i guesed of or found... Map KEY VALUE Map TKey TValue java generics naming conventions share improve..
http://stackoverflow.com/questions/3120495/concurrent-set-queue E implements Set E Queue E private enum Dummy VALUE private final ConcurrentMap E Dummy map ConcurrentHashSet ConcurrentMap.. public boolean add E element return map.put element Dummy.VALUE null @Override public boolean addAll Collection extends E newElements..
JAXB: how to marshall map into <key>value</key> http://stackoverflow.com/questions/3941479/jaxb-how-to-marshall-map-into-keyvalue-key into a structure like follows map entry key KEY key value VALUE value entry entry key KEY2 key value VALUE2 value entry entry.. KEY key value VALUE value entry entry key KEY2 key value VALUE2 value entry entry ... map In fact this is natively supported.. key is the element name and value is its content map key VALUE key key2 VALUE2 key2 ... map I didn't succeed implementing my..
Calling a Servlet from a Java application http://stackoverflow.com/questions/4349854/calling-a-servlet-from-a-java-application ActionPackage p new ActionPackage p.addParameter TEST VALUE System.out.println p URL gwtServlet null try gwtServlet new..
http://stackoverflow.com/questions/5038798/uploading-of-pdf-file td tr tr td colspan 2 p align right INPUT TYPE submit VALUE Send File p td tr table center FORM BODY HTML filename uploadfile.html..
What is the best way to implement constants in Java? http://stackoverflow.com/questions/66066/what-is-the-best-way-to-implement-constants-in-java even the standard. public private static final TYPE NAME VALUE where TYPE is the type NAME is the name in all caps with underscores.. is the name in all caps with underscores for spaces and VALUE is the constant value I highly recommend NOT putting your constants..
RegEx to split camelCase or TitleCase (advanced) http://stackoverflow.com/questions/7593969/regex-to-split-camelcase-or-titlecase-advanced My problem is that it does not work in some cases Case 1 VALUE V A L U E Case 2 eclipseRCPExt eclipse R C P Ext To my mind.. eclipse R C P Ext To my mind the result shoud be Case 1 VALUE Case 2 eclipse RCP Ext In other words given n uppercase chars.. by another capital letter. This handles cases like VALUE . The first part of the regex on its own fails on eclipseRCPExt..
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