包含标签：Java 的文章
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Java – eclipse Juno: unassigned closable value
I wonder why I got the warning of this new eclipse Juno, although I think I closed everything correctly Can you tell m…… -
Java – singleton mode
Recently, I asked questions about Java in an interview with the following code. Because I just started using Java and …… -
Java – error reading type of elexception
When I showed my JSP page and tried to call a defined getCurrentlocation () function in the Person type, I received an…… -
Java / Swing: convert text string to shape
I want to convert some arbitrary text into shape (Java. AWT. Shape), and then stroke / fill the shape What shall I do?…… -
What is the best way to inform administrators about new exceptions to Java applications?
My question is what is the best way to track exceptions from application administrators (for maintenance purposes, not…… -
Java – Android: how to set the default value of parameter variables
Android features PHP example: Function haha ($a = "test") {print $a;} The question is how to do it in Android public v…… -
The name of parameter binding cannot be null or empty! For named parameters, you need to use @ param to query method parameters on the Java version
This is over, but my problem is different This is a problematic jpql query: @Query("SELECT NEW com.htd.domain.ShopOrde…… -
Java – the simplicity of OO for user interaction
As a summer project, when I have some uni downtime, I'm going to build a monopoly game This question is more about the…… -
Java – quartz scheduler sample program gives an error
I tried to run on roseindi Net I have two classes in my java projecy and quartz version 1.6 - all. In the project libr…… -
Math in Java What is the algorithm behind pow()?
I've just started using Java. As my first project, I'm writing a program to find the root of a given number (in this c…… -
Java EE replaces Scala?
Many Java x Scala comparisons seem to focus only on languages (syntax, collection APIs, actors, etc.), but what about …… -
How should I name my java 9 module?
Suppose I have a libraryid = org ABC and artifactid = libraries of MyLibrary The recommended name for the module name …… -
Java exception handling – style
Historically, I have written my exception handling code: Cursor cursor = null; try { cursor = db.openCurso…… -
Java loop efficiency
I compared the efficiency of nested for, while and do while loops in Java, and I encountered some strange results that…… -
Java – is it OK to have an ’empty’ class that extends another class?
Suppose I have a class foo, which has a pile of logic, and another class bar is basically the same However, since Foo …… -
Java – Eclipse console exception color
This seems simple, but I can't seem to find a setting in eclipse to change it I like my console with dark white text I…… -
Java – how to: access restful web services for beginners using play framework 2.1
Many concepts and techniques I use in this problem are quite new, so I hope to know and help beginners in the communit…… -
Java – what happens to the lost string object
Line 1: String x = "Java"; Line 1: String x = "Java"; Line 2: x.concat(" Rules!"); Line 3: System.out.println("x = " +…… -
Java – how to capture window minimization events?
I want to create a JFrame instance and click the minimize button. I want to hide it in the system tray, usually the wi…… -
Java – NoClassDefFoundError is running a valid jar (compiled with dependencies), although it has common httpclient and httpcomponents dependencies in POM
I tried to automate a simple user behavior by using selenium webdriver under the main method (not under test) "Excepti…… -
Java – Jersey rest server: instantiating resource classes
The tutorial on Jersey rest server [1] said to Jersey small server: When the servlet "selects the correct class and me…… -
Java – transformation 2.0b2: how to get InputStream from response?
I'm using retrofit 2.0b2 After getting the response, I try to get an InputStream from the response: Response<JsonNo…… -
Java – what is using atomicreferencearray?
When is it a good idea to use atomicreferencearray? Please give an example Solution It seems to be functionally equiva…… -
Java – the correct way to configure logs in wildfly 8.2
I'm setting up wildfly-8.2 0's log was confused Initially, I used my own log system, with log4j built into the war fil…… -
Java – what is the purpose of using final for loop variables in an enhanced for loop?
I understand how the following statement works for(final Animal animal : animalList){ //do some function } But what is…… -
Enable MySQL general query log using JDBC
Is there any way to enable MySQL general query records through JDBC? The closest thing I found through my search was t…… -
GWT test error NoClassDefFoundError: COM / Google / GWT / dev / CFG / condition
Maybe someone can help me. I try to write my first GWT unit test, but this is the problem. When I run my test with mav…… -
Java – Android home screen shortcut permission error
In my program, it adds shortcuts to the screen I get the icon on the screen, but when I click it, I get: 03-01 20:00:2…… -
Java: use decimalformat to format doubles and integers, but keep integers without decimal separator
I tried to format some numbers in a java program Numbers will be double and integer When dealing with double precision…… -
Java – I need to know how Haskell represents data and can write a good Haskell program?
I'm learning Haskell from a Java background When I program java, I think I know very well how objects are arranged in …… -
Java – real ORM: how to handle maps?
I'm creating an Android application. I need to persist map < string, MyClass > Solution As you've noticed, real …… -
java – Resources. Openrawresource () releases Android
I have a database file in RES / raw / folder I'm calling resources Openrawresource(), the file name is r.raw Filename,……