Java
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Bluetooth – bluecove library not available – error using bluecove / Java
How do I install bluecove in the Ubuntu 11 / eclipse ide? As far as I know, all I have to do is bring bluecove Jar and…… -
Java – string contains at least one number
I try to see if the string contains at least one number, either lowercase or uppercase I wrote this: int combinations …… -
Java – keytool creates a trusted self signed certificate
I'm trying to create a self signed certificate using (Java) keytool, but when I try to use it, I get the following exc…… -
Java – returning an int from a native function (C, JNI) causes the application to crash
Trying to figure out why returning an int from a C function call causes the entire application to crash without any er…… -
Java – using quartz and spring
In my application, I need to be able to create scheduled jobs (dynamically) based on the incoming request type Can I a…… -
java. util. zip. Zipexception: duplicate entry with firebase
I'm building an application using firebase, but I got a duplicate class error I checked all dependencies, but I couldn…… -
Java – buffered vs. unbuffered, which one is used?
Sorry, if this is repeated, but I can't find the exact answer to each type of best practice I want to know what is the…… -
Java – which data type or data structure to choose to calculate the factorial of 100?
I want to write a program to evaluate the factorial of a given integer The following basics I wrote the following code…… -
Java – how to put hover effect on JButton?
I'm trying to create a java desktop application. I use two buttons I want to add a hover effect to these buttons I thi…… -
Java – window builder Pro not found in eclipse indigo
I read that eclipse indigo installed the window builder Pro plug-in, but I can't see where it is File / new / project …… -
JSF 2.0: verify the equality of two inputsecret fields (confirm password) without writing code?
I am using JSF 2.0 and GlassFish to develop pure Java EE 6 applications I want to verify whether the values of the two…… -
Java – GVM is always offline
I'm trying to install gradle through the GVM command '$GVM I gradle', but I received a message in offline mode ➜ ~ ➜ …… -
If I don’t know any of the frameworks involved, what methods should I use to understand large J2EE applications?
I started working in my company five or six years ago as a junior java developer. I started some J2EE programming usin…… -
Collections. Binarysearch (list, K key) clarification Java
In view of the following declaration, it is taken from this Oracle Java Tutorial and related to the binarysearch() met…… -
Java – what does the syntax “final string… Args” mean / do?
This should be a fairly simple question I looked around and couldn't find any topic about this grammar, and "..." made…… -
Java – how does eclipse actually run JUnit tests?
I encountered a difference when running JUnit tests in eclipse and ant This is the scenario: Everything runs as expect…… -
When the mouse clicks, Java draws a circle
I'm writing a program that draws a circle when I click the mouse So far I have written the following code import java.…… -
Java – the dropwizard does not record custom recorders to files
I have a dropwizard application. I configure the logger appender as a file, as shown below: logging: level: INFO …… -
Java – return files in spring MVC rest
I have the rest service code. The following code returns a file. Now the problem is that I get an original response in…… -
Java – use appbarlayout Behavior. Dragcallback to control the scrolling of the collapsed toolbar layout
I want to be able to enable and disable scrolling on the collapse toolbar Who can tell me how to use appbarlayout Beha…… -
Java – get components from JList by clicking the location
How do I get components from JList by clicking on a location? I have my own list cell renderer, I insert some panels a…… -
Java practice: returns the same object passed as a parameter
In the following code, isn't it bad that updatewithcontext returns an object with the same parameters? class SomeClass…… -
Java – does FileInputStream already use buffers?
When I use FileInputStream to read an object (such as a few bytes), does the underlying operation involve: 1) Read the…… -
Is OOP – ORM a unique problem in object-oriented programming?
Object relational mapping (ORM) is a problem that must be solved in all applications that implement and use relational…… -
Iterate over all byte values – 128-127 without Java casting
I need to traverse all byte values (- 128 to 127, including endpoints) I can use an int iterator, but I have to conver…… -
Java – error “unable to install project facet” when creating project?
I got the project from the repository, and according to the setup instructions, I tried to create a project in eclipse…… -
Java – can I access interfaces only in the same package and sub package?
Can I access interfaces only in the same package and sub package? I have defined an interface using the default modifi…… -
Java – sets the column width of JTable by percentage
I need to assign a fixed width to several columns of JTable, and then assign an equal width to all other columns Suppo…… -
Java – how to iterate over a Multimap in insertion order?
Using guava from Google, http://code.google.com/p/guava-libraries/wiki/NewCollectionTypesExplained New series How do I…… -
Java – performance difference between post increment and pre increment operators?
In Java, does the use of post increment and pre increment operators have any performance impact? Example: i++ ++i Sol…… -
Java – how to create a class that I can’t change and implement an interface?
I have a class from another closed source library, but I want to be able to use its interface The reason is that I don…… -
Get image path JavaFX
I want to get the pathname of the current image loaded in my image object I have the following code: Image lol = new I……