Recent questions tagged JAVA

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java - Verify Static Method Call using PowerMockito 1.6

I am writing JUnit test case for methods similar to sample given below: Class SampleA{ public static void methodA ... . Any help is 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 - Basic Spring MVC config: PageNotFound using InternalResourceViewResolver

I'm trying to get a first Spring 3 MVC setup running. My app is running on tomcat, with ... .DispatcherServlet - Successfully completed request 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 - JavaFx Webview JDK 8 can not load self signed certificate

I tried to implement webview into my javafx app and I'm using JDK 8 to develop it ... Ignoring unavailable cipher suite: TLS_DHE_RSA_WITH_AES_256_CBC_SHA Ignoring unavailable ci...

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

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java - How to generate random graphs?

I want to be able to generate random, undirected, and connected graphs in Java. In addition, I want to be able to ... ; Graph G1= new Graph(a); 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 - Hibernate and Multi-Tenant Database using Schemas in PostgreSQL

Background I am working on a future multi-tenant web application that will need to support thousands of users. ... #3 quite yet either. 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 - readResolve not working ? : an instance of Guava's SerializedForm appears

During deserialization of one of our data structure (using the default mechanism (no custom writeObject/readObject)) ... (AstNode.java:189) 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 - key-value store suggestion

I need a very basic key-value store for java. I started with a HashMap but it seems that HashMap is somewhat ... , and is still reasonably fast? 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 - Amazon SQS Long Polling not returning all messages

I have a requirement to read all messages in my Amazon SQS queue in 1 read and then sort it based on created ... I am doing wrong here? Thanks 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 - Longest path between 2 Nodes

Calculate the longest path between two nodes. The path is in an arch. Signature of method is: public static int ... go about returning it... 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 - Get Web App root from Spring Controller

I am trying to write an uploaded multipart file to the filesystem. I have a directory called audio which sits ... successfully uploaded."); } } 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 get and parse Google Directions

google Directions API I read this guide now I can build a correct request to receive the xml file ... levels> </overview_polyline> thanks 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 creating executable JAR with SWT that runs on all platforms?

SWT comes with a base JAR and one specific JAR per platform (Windows, Linux/32bit, Linux/64bit, Mac, AIX, . ... . Has anyone already tried 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 - Tree (directed acyclic graph) implementation

I require a tree / directed acyclic graph implementation something like this: public class TreeNode<K, V> { private ... to re-invent the wheel. 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 add VM args using pom.xml plugin

I have tried below ways but nothing work... i am trying to access jmx remotely from server. <jvmArgs> <jvmArg> ... ssl=false</option> </options> 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 - Analyzing Connection Closed Exception in Spring/JPA/Mysql/Tomcat app

PROBLEM I have recently been put in charge of a Java web application with code already written and in place. The app ... ="true" /> </bean> See Question&Answers more detail:os...

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

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781 views

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java - How to use JPA Criteria API when joining many tables

This is the further question to this: How to use JPA Criteria API in JOIN CriteriaBuilder criteriaBuilder = em. ... 16]] is not present. 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 use Servlet 3 @WebServlet & async with Spring MVC 3?

I would like to integrate the servlet 3.0 async support with spring MVC. Something like: @RequestMapping("/chat") ... .. } is it possible? 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 - Origin is not allowed by Access-Control-Allow-Origin - how to enable CORS using a very simple web stack and guice

I am not sure if the issue is the technologies involved, or my understanding of the technologies. I have an html5 ... Thank you for any advice. See Question&Answers more detail:os...

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

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237 views

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java - Xuggler encoding and muxing

I'm trying to use Xuggler (which I believe uses ffmpeg under the hood) to do the following: Accept a raw ... in advance for any help 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 - How would you test a Connection Pool

I have implemented a very simple ConnectionPool in Java. It has no fancy features, just get/release connection methods ... return this.conn; } } 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 add a space in between two outputs?

This is the code I am working with. public void displayCustomerInfo() { System.out.println(Name + Income); ... .0 Angela70000.0 Bob10000.0 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 - Change entry file path of android and ios in react-native project

After starting a new project with react-native init awesomeProject, i try to restructure my project, putting index.ios ... in the right path? See Question&Answers more detail:os...

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

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263 views

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java - Servlet filter for browser caching?

Does anyone know how to go about coding a servlet filter that will set cache headers on a response for a given ... be willing to share? Thanks! 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 AOP: how to get the annotations of the adviced method

I'd like to implement declarative security with Spring/AOP and annotations. As you see in the next code sample I ... not to use this agent. 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 is the "new" keyword so much more efficient than assignment?

I've got two methods to read in a string, and create Character objects: static void newChar(String string) { int len = ... : " + diff+ " ms"); 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 - What does Scanner input = new Scanner(System.in) actually mean?

Scanner input = new Scanner(System.in); Could you give me a detailed explanation on what the code above is doing ... int i = input.nextInt() 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 you handle dismissing a DialogFragment (compatibility lib) upon completion of an AsyncTask

There are numerous posts about how to handle a configuration change during an AsyncTask, but none I have ... ACP version of DialogFragment? See Question&Answers more detail:os...

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

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369 views

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java - Using BigInteger Multiply operator

I was wondering if there was a way to multiply BigInteger variables together, because the * operator cannot be ... using the * operator. See Question&Answers more detail:os...

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

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