Recent questions tagged java

0 votes

97 views

1 answer

I'm working on an Android app in which I download JSON data from a web service. The class parsing the ... test the classes which parse JSON? See Question&Answers more detail:os...

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

0 votes

222 views

1 answer

java - JAX/Jersey Custom error code in Response

In Jersey, how can we 'replace' the status string associated with a known status code? e.g. return Response. ... ); Appreciate your help! -spd See Question&Answers more detail:os...

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

0 votes

197 views

1 answer

java - What is the best practice to determine the execution time of the business relevant code of my junit?

The test execution time which is displayed in eclipse->junit-view depends on the whole test case execution which ... code more efficiently... See Question&Answers more detail:os...

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

0 votes

121 views

1 answer

java - Difference between creating new object and dependency injection

What is the difference between creating a new object and dependency injection? Please explain in detail. See Question&Answers more detail:os...

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

0 votes

299 views

1 answer

java - HttpsUrlConnection and keep-alive

I am using com.sun.net.httpserver.HttpsServer in my current project which deals with client-authentification etc.. ... The problem still exists. See Question&Answers more detail:os...

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

0 votes

148 views

1 answer

java - 'Provided' dependency in Gradle

I have build.gradle in front of me and there are some dependencies declared as provided but in documentation I ... dependency scope in Gradle? See Question&Answers more detail:os...

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

0 votes

90 views

1 answer

java - What is the correct way of forcing maven to use HTTPS for maven central?

Recently sonatype enabled maven central to support https (background information). I've now added the following snippet to ... -jdk14-1.5.6.jar See Question&Answers more detail:os...

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

0 votes

400 views

1 answer

java - Generate RSA key pair and encode private as string

I want to generate 512 bit RSA keypair and then encode my public key as a string. How can I achieve this? See Question&Answers more detail:os...

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

0 votes

218 views

1 answer

java - DispatcherServlet and web.xml in Spring Boot

I'm currently trying to move my project from Java EE to Spring Boot project. However, i've been stucked and ... /servlet-mapping> </web-app> See Question&Answers more detail:os...

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

0 votes

263 views

1 answer

java - Is it true that every inner class requires an enclosing instance?

The term inner class is conventionally taken to mean "a nested class which requires an enclosing instance". However ... the opposite of nested. See Question&Answers more detail:os...

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

0 votes

471 views

1 answer

java - How do I drag and drop a row in a JTable?

How do you setup a JTable to be able to drag a row to a different index in the table. For example if I ... the 4th row to the 2nd position? See Question&Answers more detail:os...

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

0 votes

225 views

1 answer

java - How to select all text in a JFormattedTextField when it gets focus?

I have a small Java desktop app that uses Swing. There is a data entry dialog with some input fields of ... when tabbing through the form. See Question&Answers more detail:os...

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

0 votes

271 views

1 answer

java - Arraylist in parcelable object

I have seen many parcelable examples so far, but for some reason I can't get it to work when it gets a ... this one ! Thanks in adnvance Wesley See Question&Answers more detail:os...

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

0 votes

294 views

1 answer

java - how to securely store encryption keys in android?

I want to know how to securely store encryption key in Android? What is the best scenario to protect encryption and secrete keys? See Question&Answers more detail:os...

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

0 votes

270 views

1 answer

java - What exactly does String.codePointAt do?

Recently I ran into codePointAt method of String in Java. I found also a few other codePoint methods: ... codePointAt and similar methods. See Question&Answers more detail:os...

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

0 votes

270 views

1 answer

java - Eclipse not recognizing Gradle dependencies

I am new to Gradle and I was trying this tutorial https://spring.io/guides/gs/rest-service/ I was able to ... . Is there anyway to do it? See Question&Answers more detail:os...

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

0 votes

171 views

1 answer

java - Create a Zip File in Memory

I'm trying to zip a file (for example foo.csv) and upload it to a server. I have a working version which ... drive and do it purely in memory? See Question&Answers more detail:os...

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

0 votes

275 views

1 answer

java - ctrl-click goes to the declaration of the method I clicked. For interfaces with one implementation, how can I just directly go to that implementation?

I often have to debug java code which was written so that there is an interface and exactly one ... implementation of an interface. See Question&Answers more detail:os...

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

0 votes

395 views

1 answer

java - How can I resolve "an enclosing instance that contains X.Y is required"?

I am developing a small desktop application in Netbeans. This is my first program and I am facing a very ... me in resolving this error. See Question&Answers more detail:os...

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

0 votes

351 views

1 answer

java - Where is my app placed when deploying to Tomcat using IntelliJ IDEA?

I am deploying an application from IntelliJ IDEA to the local Tomcat server. I thought the apps you deploy are ... this correct? Where is it? See Question&Answers more detail:os...

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

0 votes

151 views

1 answer

java - Some clarification about Spring @Transactional annotation on a method

I am quite new in Spring world and I have developed a simple project that use Spring 3.2.1 and ... method withd @Transactional?" Tnx Andrea See Question&Answers more detail:os...

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

0 votes

348 views

1 answer

java - How to specify Double's precision on hibernate?

I try to create a table from hibernate annotations. I need to have a column of Double type, with the ... table configuration by hand? Thanks! See Question&Answers more detail:os...

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

0 votes

134 views

1 answer

java - JFileChooser with confirmation dialog

I am working on a program that loads and saves data from text files, and I am asking the user a file ... t found anything. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

123 views

1 answer

java - How to pass custom object in Bundle?

I am trying to pass my own custom object into a bundle: Bundle b = new Bundle(); STMessage message = ( ... ) is undefined for the type Bundle See Question&Answers more detail:os...

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

0 votes

117 views

1 answer

java - Compiling C++ for the JVM

When compiling C++ you of course use a compiler for the target platform you want to compile for. Is there a ... is compiled to Java byte code)? See Question&Answers more detail:os...

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

0 votes

503 views

1 answer

java - jersey web service json utf-8 encoding

I made a small Rest webservice using Jersey 1.11. When i call the url that returns Json, there are problems with ... } public Profile() {} } See Question&Answers more detail:os...

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

0 votes

421 views

1 answer

java - Entitymanager.flush() VS EntityManager.getTransaction().commit - What should I prefer?

What should I prefer when updating the database? What are the pros & cons with either method and when shall I ... .getTransaction().commit(); } See Question&Answers more detail:os...

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

0 votes

189 views

1 answer

java - Zookeeper error: Cannot open channel to X at election address

I have installed zookeeper in 3 different aws servers. The following is the configuration in all the servers ... Notification time out: 25600 See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags