Recent questions tagged java

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java - how to run a selenium-server-standalone?

I'm trying to run selenium server, and get errors: rond-macpro:selenium eladb$ java -Dwebdriver.chrome.driver=./ ... the syntax. I think. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Getting the state of JToggleButton

Say I have a JToggleButton but = new JToggleButton("OK") ; Now I need the state of but when it is clicked. I ... know if it's clicked or not. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I replace a string in parentheses using a regex?

I have a string: HLN (Formerly Headline News) I want to remove everything inside the parens and the parens themselves, ... can I fix my regex? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to retrieve snapshot of map from place-picker activity?

I'm creating an app which picks places from the Google maps and stores the address in the database. I ... .onOptionsItemSelected(item); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Make a JPanel not draw its background (Transparent)

Is it possible, in Java, to make a JPanel skip drawing its background thus being transparent except for the components on it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Tomcat Not reading Spring-Boot Application Properties

I'm fairly new to spring/java and have been checking out spring-boot for a project I have at work. I've ... , or what. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - how to send json object from REST client using javax.ws.rs.client.WebTarget

I have a POJO given below which I want to PUT to the server as JSON or XML. This is what I have done ... Please guide how to do this. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to get multiple selected values from select box in JSP?

I have a html form which have a select list box from which you can select multiple values because its multiple ... accessed on display.jsp page. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - problem on starting cassandra

I download apache-cassandra-0.8.5 for ubuntu and extract it.I read the readme file. I try bellow command in ... .nise.local what should I do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Regular Expression Wildcard Matching

I have a list of about 120 thousand english words (basically every word in the language). I need a regular expression ... the time do to it... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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245 views

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java - Python-style integer division & modulus in C

In Python and Ruby, signed integer division truncates towards negative infinity, and signed integer modulus has the same ... in Python and Ruby? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to put/get multiple JSONObjects to JSONArray?

Is it possible to store multiple different JSONObjects into a single JSONArray? This is the structure, I want ... suggestions to achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - GSON parsing without a lot of classes

I have the following JSON and I'm only interested in getting the elements "status", "lat" and "lng". Using Gson, is ... } }, "status": "OK" } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Constant Interface Anti-Pattern Clarification

I just read somewhere that having an interface with common project constants is bad practice and also known as the ... this a bit more. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring boot Test fails saying, Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean

Test Class:- @RunWith(SpringRunner.class) @SpringBootTest(classes = { WebsocketSourceConfiguration.class, ... Hierarchy. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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java - Use or not leading slash in value for @RequestMapping. Need official docs or point to Spring source?

I involved in project where I found a mix of: @RequestMapping(value = "events/..."); @RequestMapping(value = ... docs or to Spring sources. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using gson to deserialize specific JSON field of an object

I have the following JSON string: { "ms": "images,5160.1", "turl": "http://ts1.mm.bing.net/th?id= ... ; } class urlString { String imgurl; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can we load multiple Certificates & Keys in a Key Store?

Can we load multiple Certificates & Keys in a Key Store? Is it always required to load only Pairs (i.e. ... to establish connection as a Server? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to implement JUnit 4 parameterized tests in JUnit 5?

In JUnit 4 it was easy to test invariants across a bunch of classes by using the @Parameterized annotation. The key ... (){ ... } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Any way to "reboot" the JVM?

Is there any way to reboot the JVM? As in don't actually exit, but close and reload all classes, and run main from the top? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Read line with Scanner

EDIT for further readers: the problem was that my input file was corrupted. I don't understand ... 0B0sroFy9HZlBemZjbXU1RmlmdjQ/edit?usp=sharing See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

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java - JUnit @Test expected annotation not working

I've got the following test: @Test(expected = IllegalStateException.class) public void testKey() { int key = 1; ... to use the JUnit 4 Runner. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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java - Spring boot: Unable to start embedded Tomcat servlet container

I'm new to Spring Boot and having with error while running my application. I'm following a tutorial and I ... > </dependencies> </project> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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java - File.createNewFile() thowing IOException No such file or directory

I have a method that writes to a log file. If the file exists it should append to it, if not then I want ... I am missing to get this working? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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The javdoc for LocalDate#toDateMidnight reads as follows: As from v1.5, you are recommended to avoid DateMidnight ... for DateMidnight if any? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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400 views

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java - Passing empty list as parameter to JPA query throws error

If I pass an empty list into a JPA query, I get an error. For example: List<Municipality> municipalities = ... do you handle these situations? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Grouping Java8 stream without collecting it

Is there any way in Java 8 to group the elements in a java.util.stream.Stream without collecting them? I ... keep the stream evaluation lazy. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

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java - Couldn't translate Date to spanish with Locale("es_ES")

I'm trying to do a simple date format, it does work great, it's very easy, but the problem is the language. ... de 2012 What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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