包含标签：Java 的文章
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Java – generics: input variables?
In order to be able to replace a specific implementation, it is usually known to write List<AnyType> myList = ne…… -
Java – what is the purpose of using the toString () method in the following code?
See the English answer > how to override tostring() properly in Java? 11 This is my code: public class Gitfiddle { …… -
Constructor of Java subclass
When compiling this program, I get an error – class Person { Person(int a) { } } class Employee extends Person { …… -
Java – how do I resolve a string to int using default values?
See English answers > good way to encapsulate integer Parseint() 22 I've tried this, but it (? 0) doesn't seem to w…… -
Java – how to select a value from an array?
How do I select a value from an array? For example, string [] ans = {'', "– ''," / "," * "}; Then I want to choose "" …… -
Java – is there a way to disable hibernate optimistic locking?
I have one entity: @Entity public class VersionedDo { @Version @Column(name = "version") private int versi…… -
Non public top-level classes in Java
What is the reason for creating non-public top-level classes in Java? Suppose we have foo Java, there may be class Foo…… -
Java – use log4j to customize the log file name in mule
I'm trying to modify log4j XML to use the appropriate appender to change the log file name generated by mule This is l…… -
Java – ora-01733 (virtual columns are not allowed here) after database update
One of our databases has been updated from Oracle 9i to 11g Since then, one of our programs has repeatedly encountered…… -
Disable the close button in the Java Jface dialog box?
How to disable the close button in the Java Jface dialog box (if possible, make it disappear completely)? Solution For…… -
How to display two list item results as one to obtain multiple results Using Java in selenium webdriver
Here, you need to combine the two list data to print the two list results in a specific format For example, as shown i…… -
Java – Android music player in UI thread or background
I'm trying to create a simple Android application to play audio files in SD card >By default, the service runs on t…… -
Java – spring boot Jar – missing embeddedservletcontainerfactory
Spring boot (1.2.7) web application (responding to SSL request) runs well on IntelliJ idea Build a jar artifact to run…… -
Java – Apache camel dynamic consumer
I created this camel route from("direct:pageExtraction") .bean(PageManager.class,"setProperties(*,${header…… -
How to use Java libgdx to effectively read text files of floating point numbers?
I am writing a small scientific data visualization application in Java / libgdx The application first reads the text f…… -
Java-405 error code when calling from Jersey rest client
I am requesting a put operation, and I redirect to the get service URL after the request is executed Here, I face the …… -
Java – Android WebView, zooming content to fit the screen
My friend created an application using JavaScript and uploaded it to his website Now I'm trying to wrap it in WebView …… -
Java settings have multiple equality criteria
I have a special request. I need to delete the object list repeatedly according to the combination of equal standards …… -
How to convert an existing Java Import class file into Android studio project
I need to know how to convert existing Java The class file is correctly added to the Android studio project My goal is…… -
Java singleton internal class error understanding
I have been programming java for the past two months, but I have experienced programmers in Python and C I know I made…… -
Need help to start converting original G3 fax files to TIFF format via Java
I have an original fax file (G3 / T.4 format), which needs to be programmatically converted into multi page TIFF throu…… -
Java – why does spring security use the default pre authentication check?
I recently implemented some security improvements in a spring based Java application of my employer, and I have covere…… -
Java – problem converting Base64 string to hexadecimal string
TLDR： I recently decided to try Matasano crypto challenges, but for whatever reason, I decided to try to write the fi…… -
Java – combines two strings into a single string representing a path
See English answers > how to combine paths in Java? 9 How can I do this? Solution Apache commons IO do what you wan…… -
The simple java implementation of the Floyd warhall algorithm doesn’t seem to work?
I have been trying to implement Floyd warhall algorithm in Java instead of "three loop nesting", but I can't seem to f…… -
Load a record with
What is the preferred way to load a record using doctrine? I'm using it $em = EntityManager::create($connectionOptions…… -
Java – can I open repl in the context of a spring web application?
I am developing web applications based on spring MVC and hibernate on Tomcat 8 (for deployment and local development) …… -
Java – Google server authentication code failed login
So I managed to use the new Google login to work GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignI…… -
JavaFX is relative
Everything is great to work on this desktop application There were some problems with her and there, but each one was …… -
Java – add JPA to the right
NewRequest. java @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @Column(nullable = f…… -
Thread job in Java
I want to generate 200 threads in Java at the same time What I'm doing now is entering the loop and creating 200 threa…… -
Why is the order of return types important when defining methods in Java?
public void static final finalMethod() public void static final finalMethod() { //This throws error saying "Syntax e……