包含标签：Java 的文章
-
Java – can each thread have a unique static variable?
I have a static variable and I want each thread to be unique Is this the case with all static variables? Or there is n…… -
Java – enabling websecurityconfigurer via @ profile does not work
I think I have a very simple and basic setup for running spring boot webapp with some authentication locally I hope th…… -
What is the best way to use hibernate’s detachedcriteria to limit results in Java?
I use hibernate 3.5.0 in Java 6-Final. Because I can't access hibernate session, I use detachedcriteria So, I want to …… -
Get the certificate and add it to the Java trust store, only HTTPS URL?
I'm trying to send push notifications to Android devices through Google cloud messaging server The URL we use is: http…… -
java – Arrays. asList(). Contains() gives the wrong result
code: private static final int[] GOOGLE_DIRECTION_ID_FOR_MATCH = { 11,12,13,14,15 }; Log.e(TAG,"index : " …… -
Java – Python unit tests almost never check types
I'm using JUnit to do some tests written in Java, but I can't notice the focus of checking object "types" This is some…… -
What is double in Java Objective-C equivalent of Nan?
What is Java's double Objective-C equivalent of Nan? I have a function that returns double, but it can return double i…… -
The Java shutdown hook is not running
I'm new to Java / threads, and I inherit code similar to the following It is a command line program. Main() only start…… -
Java – how do you view the “anti if” movement and its goals?
I have a developer who has been using if else or if else statements for the last three years, which is a lot in my pro…… -
Java – string as key in HashMap
I have seen that only string is used as a key in HashMap Although the put () method takes object as an argument What i…… -
Java – return interface list
I have this problem. I want to return a list of interfaces and implementation classes only after the if block public i…… -
Java – there are only five instances of classes
I want only five instances of classes throughout the application lifecycle How can I do this? If possible, please prov…… -
Java string to int
I have a string of about 150 numbers, such as string num = "64513246563....."; I'm trying to add every number of this …… -
Java swing – JPanel and GridLayout margins / padding
I'm trying to build a chess game in Java. I'm having some trouble getting the GUI exactly the way I want using swing I…… -
Java – format date on jspinner
I have a jspinner in the format yyyy MM DD HH: mm: SS The problem is that the spinner 'HH' can only reach the value of…… -
Java – system. Java used by threads Setproperty affects other threads that communicate with external network elements How?
In my application, I have two threads Each thread communicates with a different external entity Let's say T1 – > N1…… -
Java – why can’t we overload a method based on the throws exception?
Why can't we overload methods that have the same return type, name, and parameters but have some exceptions thrown? As…… -
Java – check whether the condition is’ null ‘
I have questions about checking null conditions For example: if(some conditon) value1= value; //value1 is string type…… -
java – System. out. Println () is a field method?
If out is a field of the system class How can you use the println () method in a field? Where does this println () met…… -
Where can I download the source code of Java se (Java. Lang, Java. Util, & C.)?
See English answers > Where can I see the source code of the sun JDK? 10 Solution The source code comes with the Ja…… -
Java – how to create email links in POI word format
How do I create external links or e-mail links in xwpfdocument? There is a description about excel (HSSF xssf), but I …… -
Java – how to create a very large BigInteger
I need to add two very large integers 46376937677490009712648124896970078050417018260538 + 371072875339021027987979982…… -
Using Java awt. Basicstroke animated dashed line
Is there any way to use Java Basic stroke in AWT generates animated dashed lines? My wish is to run the dotted line in…… -
Converting long to byte in Java
I can't understand the following: In Java, long l = 130L; byte b = (byte)l; If I print the value of B, why do I get …… -
Java: how to use the w3c. Wrap all elements in DOM?
My goal is to wrap each DOM element (node. Element_node) in the current org. Org w3c. dom. On the document, the label …… -
Convert GMT to ist in Java?
I have a GMT field where the user enters the time to convert to IST (for example, in the hour field 18, the minute fie…… -
Java – the difference between spring JDBC template and Hibernate
See English answers > spring hibernate vs JDBC template vs spring ORM [closed] 1 thank you Solution Hibernate is a …… -
Return sorted list in Java
I'm writing this Code: List<Bean> beans = service.findBeans(); Collections.sort(beans,new BeanComparator()); ret…… -
Java – what is the difference between Seda, VM and direct? Use camel to explain it. Use an example
I worked with Seda and read documents directly with me Still can't imagine the use and directness of Seda VM is new to…… -
The value of Java jsonobject array is key
I'm new to Java, so it's a little confusing I want to get a string in JSON format What I want is { "user": [ "name","l…… -
Java hashcode() string conflict
I know little about hash codes I found that this code can print out collisions Can you tell me what collision is and h……