Java
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Java – copy text from a disabled jtextfield
Can users be allowed to copy text from a disabled jtextfield? Currently, if I have a disabled text field, users cannot…… -
Java – increment IP address in string format
I'm a novice in Java. I'm trying to find a way to increment the IP address range by user input For example, from 192.1…… -
Java – Grails, how do I get an object without saving it
I'm new Grails and trying to create a form that allows the user to change the email address associated with his / her …… -
How to check whether a thread has started in Java?
See English answers > in Java, how do you determine if a thread is running? 8 I will start this post at some time A…… -
Java – spring MVC – did not get the value in the JSP view
First of all, I am a novice in the spring MVC world I made a simple program in which spring MVC will process the get r…… -
Java – JPA: query to get the result according to the foreign key value defined in the entity class?
Netbean 6.9 generates the following JPA entity classes from this SQL Server 2008 table: I want to get all productdescr…… -
Java – what are the benefits of using protected variables on getters and setters?
See English answers > java protected fields vs public getters 7 Solution Even if you use getters and setters (I per…… -
Get control of the name of the temporary file created in Java
When creating tempfile, is there any way to control the random number attached to the file name? Solution It seems tha…… -
Java – data type used to manipulate currency
I'm trying to decide which data type to use for financial applications I've read that double or BigDecimal should be u…… -
Java – component centric NetBeans, GUI Builder (group layout)
I'm trying to design a JButton (an "OK" button), which looks good and must be horizontally centered in the included JF…… -
Java – difference between non repeatable reads and dirty reads
From this Oracle Java Tutorial: What is the difference between dirty reading and unrepeatable reading? Is this differe…… -
Java – can you use throw instead of break in a switch statement?
Can I throw or exit a switch statement without using the break keyword? Why use throwing instead of rest? switch(numbe…… -
Java – sets the background image of the surfaceview
Is there any way to set the background image of surfaceview? Do I have to do it in XML, or can I do everything in Java…… -
Java convert converts string to int when using BufferedReader
How to convert string to int when using BufferedReader? System.out.println("input a number"); int n=Integer.parseInt(…… -
Get heap dumps from remote applications in Java using jvisualvm
I run jvisualvm (Windows XP, Sun Java 1.6.0.13, 32-bit client VM) to monitor remote applications (Linux, Sun Java 1.6.…… -
Java – how to put Google Adsense in GWT
Does anyone know how to put Google Adsense ads in GWT web applications? Solution You can put the JavaScript code in Ad…… -
Get heap dumps from remote applications in Java using jvisualvm
I run jvisualvm (Windows XP, Sun Java 1.6.0.13, 32-bit client VM) to monitor remote applications (Linux, Sun Java 1.6.…… -
Create an object before the super call in Java
Consider the simple java code that doesn't work: public class Bar extends AbstractBar{ private final Foo foo = ne…… -
Java code to XML / XSD without annotations
I need to group and ungroup Java The course doesn't belong to me. I can't add animation so that I can use JAXB Is ther…… -
JPA2. 0: delete entity in onetomany relationship
How to delete an entity in a onetomany relationship @Entity @NamedQueries({ @NamedQuery(name="User.findByUserNamePa…… -
How to output the content of scene graphics in JavaFX 2 to images
How to output the content of scene graph in JavaFX 2 to image In fact, I'm developing an application that basically de…… -
Java – how to put Google Adsense in GWT
Does anyone know how to put Google Adsense ads in GWT web applications? Solution You can put the JavaScript code in Ad…… -
Java – use Jackson to map objects from specific nodes in the JSON tree
Can Jackson's objectmapper ungroup from a specific node (and "down") in the JSON tree? Use cases are extensible docume…… -
Java – badtokenexception: cannot add window
I have a problem. When the screen times out, I receive a badtokenexception, and then the user returns to my applicatio…… -
Java – you cannot avoid using spring boot and logback to log SQL into the console
Solution If hibernate show_ If SQL is set to true, hibernate will simply print the SQL statement to the console (do no…… -
Java – how to set the context path in Tomcat so that you can enter the site without attaching the deployed folder name?
I read some questions about this in the Tomcat guide here I think I do almost the same thing But to some extent, it ca…… -
Files. Parallel version of walkfiletree (Java or Scala)
Does anyone know java files Any parallel equivalent of walkfiletree or something like that? It can be a Java or Scala …… -
Java – spring Mongo adds standard operator and dynamic
I'm trying to create a dynamic query using user input and actions List<Criteria> criterias = new ArrayList<Cr…… -
. Net – LINQ on LinkedList – iterates linkedlistnode instead of T
I'm having trouble understanding how to perform certain operations in LINQ I have a linked list. The type of object do…… -
Java – dispatcher servlet spring and URL patterns
I'm new to the spring framework. Today I met web For the dispatcher servlet configuration in the XML file, I came up w…… -
java – . Nextval JDBC insertion problem
I try to sequence Nextval is inserted into the table as a primary key, and SQL in Java is sql = "INSERT INTO USER …… -
Java nested list to array conversion
What is the most effective way to convert data from a nested list to an array of objects that can be used as JTable da……