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java Programming Glossary: valuesHow 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 find that I need.. to Java and often find that I need to sort a Map on the values. Since the values are not unique I find myself converting the.. find that I need to sort a Map on the values. Since the values are not unique I find myself converting the keySet into an array..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array statement. But in this case it's valid for all the input values of data . Benchmarks Core i7 920 @ 3.5 GHz C Visual Studio 2010..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times of the EL expression at all as it may return different values on each call for example when it's dependent on the currently..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it serializable classes explicitly declare serialVersionUID values since the default serialVersionUID computation is highly sensitive..
What are the pros and cons of the leading Java HTML parsers? http://stackoverflow.com/questions/3152138/what-are-the-pros-and-cons-of-the-leading-java-html-parsers to act like a webbrowser programmatically. I.e. enter form values click elements invoke JavaScript etcetera. It's much more than..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files Language those things. E.g. redisplaying submitted input values input type text name foo value param.foo The param.foo displays..
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..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications converting them validating them updating the model values and execute the actions. In JSF terms this is what the LifeCycle..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java int Math.random maximum Problem randomNum is assinged values numbers bigger than maximum . Solution 2 Random rn new Random.. n randomNum minimum i Problem randomNum is assigned values smaller than minimum . How do I solve this problem I have tried.. not include the 1. In order to get a specific range of values first you need to multiply by the magnitude of the range of..
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable synchronized ones. Hashtable does not allow null keys or values. HashMap allows one null key and any number of null values... values. HashMap allows one null key and any number of null values. One of HashMap's subclasses is LinkedHashMap so in the event..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 for cleanup remove any Facelets 1.x related context param values from web.xml which are already default in Facelets 2.0 like.. done. This can be gradually done by changing all outcome values to match the filename of the target view. Finally any session..
When to use <ui:include>, tag files, composite components and/or custom components? http://stackoverflow.com/questions/6822000/when-to-use-uiinclude-tag-files-composite-components-and-or-custom-componen components had performance issues with assigning default values this is already fixed since 2.1.13. When using Mojarra do not..
In Java, how can I test if an Array contains a certain value? http://stackoverflow.com/questions/1128723/in-java-how-can-i-test-if-an-array-contains-a-certain-value a String with values like so public static final String VALUES new String AB BC CD AE Given String s is there a good way of.. AE Given String s is there a good way of testing whether VALUES contains s java arrays share improve this question Arrays.asList..
How is values() implemented for Java 6 enums? http://stackoverflow.com/questions/1163076/how-is-values-implemented-for-java-6-enums new Stuff MOUSE 2 synthetic private static final Stuff VALUES new Stuff Stuff.COW Stuff.POTATO Stuff.MOUSE public static Stuff.. Stuff.MOUSE public static Stuff values return Stuff VALUES.clone public static Stuff valueOf String name return Stuff Enum.valueOf..
Java - Storing SQL statements in an external file http://stackoverflow.com/questions/1544335/java-storing-sql-statements-in-an-external-file INTO ADMINISTRATOR.CONTACT CONTACTID FIRSTNAME LASTNAME VALUES #contactId# #firstName# #lastName# insert update id updateContact.. comment LoginName Body CreationDate another comment VALUES Example of referring to a constant defined above. FETCH_RECENT_MESSAGES..
How to parse a JSON and turn its values into an Array? http://stackoverflow.com/questions/2255220/how-to-parse-a-json-and-turn-its-values-into-an-array code will print out the KEY of the JSONs followed by the VALUES of the JSONS. It would print profiles john if the json was like..
Ways to save enums in database http://stackoverflow.com/questions/229856/ways-to-save-enums-in-database Suit.Heart szQuery INSERT INTO Customers Name Suit VALUES 'Ian Boyd' s .format theSuit.name and then read back with Suit..
How to get a value from the last inserted row? http://stackoverflow.com/questions/241003/how-to-get-a-value-from-the-last-inserted-row RETURNING INSERT INTO mytable field_1 field_2 ... VALUES value_1 value_2 RETURNING anyfield It will return the value..
Difference between Statement and PreparedStatement http://stackoverflow.com/questions/3271249/difference-between-statement-and-preparedstatement INSERT INTO Person name email birthdate photo VALUES preparedStatement.setString 1 person.getName preparedStatement.setString.. connection.prepareStatement INSERT INTO Person name email VALUES ' person.getName ' ' person.getEmail ' preparedStatement.executeUpdate.. INSERT INTO Person name email birthdate photo VALUES setValues preparedStatement person.getName person.getEmail..
PLSQL JDBC: How to get last row ID? http://stackoverflow.com/questions/3552260/plsql-jdbc-how-to-get-last-row-id SQL server snippet BEGIN TRAN INSERT INTO mytable content VALUES test assume there's an ID column that is autoincrement SELECT.. clause String sql BEGIN INSERT INTO mytable id content VALUES seq_mytable.NEXTVAL RETURNING id INTO END Connection connection.. transaction String sql_insert INSERT INTO mytable content VALUES String sql_currval SELECT seq_mytable.CURRVAL FROM dual Connection..
Efficient way to do batch INSERTS with JDBC http://stackoverflow.com/questions/3784197/efficient-way-to-do-batch-inserts-with-jdbc ps c.prepareStatement INSERT INTO employees VALUES ps.setString 1 John ps.setString 2 Doe ps.addBatch ps.clearParameters..
PreparedStatement with Statement.RETURN_GENERATED_KEYS http://stackoverflow.com/questions/4224228/preparedstatement-with-statement-return-generated-keys USER FIRST_NAME MIDDLE_NAME LAST_NAME EMAIL_ADDRESS DOB VALUES In the USER table there's a PRIMARY KEY USER_ID which is a..
Java: Insert multiple rows into MySQL with PreparedStatement http://stackoverflow.com/questions/4355046/java-insert-multiple-rows-into-mysql-with-preparedstatement use the MySQL supported syntax INSERT INTO table col1 col2 VALUES 'val1' 'val2' 'val1' 'val2' ... but with a PreparedStatement..
JFreeChart scaling of Boxplots with several Categories http://stackoverflow.com/questions/6844759/jfreechart-scaling-of-boxplots-with-several-categories 4 private static final int ROWS 5 private static final int VALUES 10 private static final Random rnd new Random private List String.. List Double list new ArrayList Double for int i 0 i VALUES i list.add rnd.nextGaussian return list private void createDataset..
The specified DSN contains an architecture mismatch between the Driver and Application. JAVA http://stackoverflow.com/questions/8895823/the-specified-dsn-contains-an-architecture-mismatch-between-the-driver-and-appli INTO People ID Name Surname Age Contact Location Course VALUES 1007 'Elroy' 'Smith' '33' 21366688 'Somewhere' 'somecourse'..
Java generics - Make Generic to extends 2 interfaces http://stackoverflow.com/questions/13101991/java-generics-make-generic-to-extends-2-interfaces TestBounds U T extends U I Because JLS Chapter 4 Types Values and Variables section 4.4 Type Variables states The bound consists..
Generate Random numbers without using any external functions http://stackoverflow.com/questions/15038174/generate-random-numbers-without-using-any-external-functions might look like the following long a 25214903917 These Values for a and c are the actual values found long c 11 in the implementation..
Why is Java's Double.compare(double, double) implemented the way it is? http://stackoverflow.com/questions/1726254/why-is-javas-double-comparedouble-double-implemented-the-way-it-is Double.doubleToLongBits d2 return thisBits anotherBits 0 Values are equal thisBits anotherBits 1 0.0 0.0 or NaN NaN 1 0.0..
Java HashMap performance optimization / alternative http://stackoverflow.com/questions/1757363/java-hashmap-performance-optimization-alternative The arrays are bytes with values in the range 0 51. Values are only used once in either array. The objects are equal if..
Crowdsourcing a Complete list of Common Java System Properties and Known Values http://stackoverflow.com/questions/1803075/crowdsourcing-a-complete-list-of-common-java-system-properties-and-known-values a Complete list of Common Java System Properties and Known Values I've been inspired by another question Best Practice for Using..
http://stackoverflow.com/questions/2707322/what-is-null-in-java set does 'null' belong to JLS 4.1 The Kinds of Types and Values There is also a special null type the type of the expression.. that have them for all reference types JLS 4.12.5 Initial Values of Variables Each class variable instance variable or array..
http://stackoverflow.com/questions/2788080/reading-a-text-file-in-java to read a text file containing space sepearted values. Values are integers. How can I read it and put it in an array list..
Java code To convert byte to Hexadecimal http://stackoverflow.com/questions/2817752/java-code-to-convert-byte-to-hexadecimal more preferrable. References JLS 4.2.1 Integral Types and Values For byte from 128 to 127 inclusive JLS 5.1.2 Widening Primitive..
Representing Monetary Values in Java [closed] http://stackoverflow.com/questions/285680/representing-monetary-values-in-java Monetary Values in Java closed I understand that BigDecimal is recommended..
C# vs Java Enum (for those new to C#) http://stackoverflow.com/questions/469287/c-sharp-vs-java-enum-for-those-new-to-c pEarth.SurfaceGravity foreach Planet p in Planet.Values Console.WriteLine Your weight on 0 is 1 p p.SurfaceWeight mass.. Pluto 1.27e 22 1.137e6 public static IEnumerable Planet Values get yield return MERCURY yield return VENUS yield return..
How can “while (i == i) ;” be a non-infinite loop in a single threaded application? http://stackoverflow.com/questions/471296/how-can-while-i-i-be-a-non-infinite-loop-in-a-single-threaded-applicati Specification under Floating Point Types Formats and Values NaN is unordered so the numerical comparison operators and..
http://stackoverflow.com/questions/4971286/javas-final-vs-cs-const foo const void test const Foo i i.foo fine i.bar error Values can be assigned once later in Java e.g. public class Foo void..
how to add different JComboBox items in a Column of a JTable in Swing http://stackoverflow.com/questions/6261017/how-to-add-different-jcombobox-items-in-a-column-of-a-jtable-in-swing Each row is being set to same set of ComboBox Values. But I want each row ComboBox has different items. java swing..
Adding points to XYSeries dynamically with JfreeChart http://stackoverflow.com/questions/7205742/adding-points-to-xyseries-dynamically-with-jfreechart static void main String args System.out.print X Y Paired Values double sample new double row 2 for int g 0 g sampe.length g.. XYSeries and XYSeriesCollection and display the First time Values and Second time Values when I call Second time JFreeChart Class.. and display the First time Values and Second time Values when I call Second time JFreeChart Class java jfreechart ..
How to reference another property in java.util.Properties? http://stackoverflow.com/questions/872272/how-to-reference-another-property-in-java-util-properties for your needs. Enabling constant substitution in Property Values You can substitute a constant anywhere in the property value..
How to query a web service via POST request in Android? http://stackoverflow.com/questions/9237082/how-to-query-a-web-service-via-post-request-in-android whenever any change is made in service metadata document. Values are selected by each server and are always opaque to clients...
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