Recent questions tagged JAVA

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java - Replace String values with value in Hash Map

I'm new to Java Programming. I have created a hash map that contains my Key Value pairs to utilize in replacing ... (var1) + valueOf(var2) ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to inject Maven profile value into properties file

Little stuck here. I have a pom with 3 profiles. Theese profiles have different version name. I want to ... mvn clean install -D profile_name See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Glassfish :MessageBodyProviderNotFoundException in Jersy Client

Hi All I was trying to create a rest web-service from scratch. Here is my Service part @Path("/Phones") public ... tell me what went wrong ?? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why do I have the wrong number of arguments when calling main through reflection?

I have a Class object and I want to invoke a static method. I have the following code. Method m = cls ... arguments What am I overlooking here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot with Session/Redis Serialization Error with Bad Active Directory Ldap Credentials

Hi I am new to Spring and Java, I am trying to implement a Gateway authentication server as described ... .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) a...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - org.openqa.selenium.SessionNotCreatedException: session not created exception from tab crashed error when executing from Jenkins CI server

I am trying to run my automation tests from Jenkins CI server (built with Gradle), but the browser crashes ... .Thread.run(Thread.java:748) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using absolute URLs with Retrofit

I have a HAL API that I'm working with and in many cases I need to send request (with different methods) ... of doing such thing in Retrofit? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can't get eclipse to recognize my plugin

I exported my eclipse plugin through the "Export Wizard" in the manifest and seems like everything went well ... other dependencies like EMF/GMF See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android music player not reindexing after song addition

I've been trying to create a simple MP3 downloader for Android. All it does is connect to the URL, downloads ... indices? Thank you in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why typical Array List implementations aren't double-ended?

Why aren't ArrayLists generally implemented to be double-ended, which would support fast amortized insertion in ... double-ended array lists. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Cannot Instantiate Type in generics

I have this class public class Tree<T> { //List of branches for this tree private List<Tree<? super T>> ... the type Tree<? super Number> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - programmatically minimize a JInternalFrame?

Is there any way to programmatically minimize a JInternalFrame? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Replace each occurrence matched by pattern with method called on that string

I'm trying to do something like this: public String evaluateString(String s){ Pattern p = Pattern.compile(" ... tips would be much appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert JSON object with duplicate keys to JSON array

I have a JSON string that I get from a database which contains repeated keys. I want to remove the ... this without editing any library code See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I resolve my class from a different jar with same structure like another

How can I resolve my class from a different jar with same structure like another Note : Though the jars in ... anyone help me out please? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - application name center alignment in android`

Can i center align the application name in android by default the application name is aligned in the left side. ... make it aligned it center See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

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java - How does String.intern() work and how does it affect the String pool?

As we know, String().intern() method add String value in string pool if it's not already exist. If exists, ... and other is in String pool? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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317 views

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java - Media: Play WAV file inside JAR

There is only one constructor of the Media-class: public Media(java.lang.String source) see http://docs.oracle. ... idea about the correct URI? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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605 views

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java - set maximum size of JPanel inside BorderLayout.CENTER

I have a JPanel inside BorderLayout.CENTER The JPanel has a Grid Layout, and I want it to expand with the CENTER ... width. How can I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - spring jpa @Query error, expecting CLOSE, found '(' near

I have following JPQL: @Query("SELECT su.id, su.nameCn, count(b.id), avg(s.rate), count(concat(b.id, '@', s. ... 5.1.0.Final.jar:5.1.0.Final] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

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java - BlackBerry class equivalent to AsyncTask?

My requirement is to have a thread that maintains a socket connection between a BlackBerry device and a server and ... how to get this right? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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java - How to use toChar function in JOOQ?

I have to use toChar() function in JOOQ? Right now i have used below code TO_CHAR(PaymentDate, 'YYYY-MM-DD') <= ... . How to use this in JOOQ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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java - Log4j2 error on load XML configuration file

I'm trying to use an XML configuration file for Log4j2 that is embedded in my Java application, but is not ... server.Main.main(Main.java:62) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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113 views

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java - Connecting a Slider and Spinner that has a StringConverter

For numeric input, it's sometimes convenient to synchronize an analog control to a text display. In this Swing example, ... { launch(args); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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206 views

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java - Google Admin Directory API is returning 400 bad request

I'm experimenting with the Java client for Google Admin SDK, specifically the Directory API. It's based on ... .run(QueuedThreadPool.java:582) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

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java - Does G1 GC have a max size of region or max amount of region?

when i studied G1 GC, I found this article: http://www.oracle.com/technetwork/articles/java/g1gc-1984535.html. ... exceeds it, what will happen? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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java - Depending on com.sun.javadoc from tools.jar (Sun JDK) in Eclipse

One of our plugins requires an installed JDK, not just an JRE. We need com.sun.javadoc and friends from tools ... that this library is missing.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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java - Regex to match any number (Real, rational along with signs)

I've written a regex to match any number: Positive and Negative Decimal Real Numbers The following regex does well but there's ... ?:[0-9]+))|)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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