Recent questions tagged JAVA

0 votes

1.9k views

1 answer

java - Handling connection errors and JSoup

I'm trying to create an application to scrape content off of multiple pages on a site. I am using JSoup to ... knowledge than me help me out? See Question&Answers more detail:os...

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

0 votes

136 views

1 answer

java - Possible to run JAR file on any OS?

Is it possible to execute a JAR file on any OS (like Windows, Linux, Mac OS X)? I want to build a simple ... run on any OS with java installed? See Question&Answers more detail:os...

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

0 votes

273 views

1 answer

java - Comparator in collector in stream causes issues with type inference?

I have the following simplified example that groups a List of Strings into categories, in the form of a TreeMap from ... T>,T,java.lang.Object) See Question&Answers more detail:os...

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

0 votes

615 views

1 answer

java - How parse json array with multiple objects by gson?

How can I parse json using gson? I have a json array with multiple object types, and I don't know, what kind of object ... 1, "city": "1" } } ] See Question&Answers more detail:os...

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

0 votes

249 views

1 answer

java - When <ui:repeat> works for X but <c:forEach> works for Y

I use <c:foreach> in my jsf app to iterate over a list of people. I don't use <ui:repeat ... would appriciate some enlightenment. Thanks Marcel See Question&Answers more detail:os...

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

0 votes

627 views

1 answer

java - JavaFX error: ANOMALY: meaningless REX prefix used

Sometimes when I close my JavaFX application I get these errors on my console: [0x7FEF231B2F8] ANOMALY: meaningless ... Any help is appreciated. See Question&Answers more detail:os...

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

0 votes

176 views

1 answer

java - Hibernate embeddables: component property not found

I'm trying to use JPA @Embeddables with Hibernate. The entity and the embeddable both have a property named id: ... still get the same error. See Question&Answers more detail:os...

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

0 votes

128 views

1 answer

java - GoogleSignInResult isSuccess failed

I want to use the Google Login for my App, but I always get the message Status{statusCode=unknown status code: 12500 ... (); break; } } } See Question&Answers more detail:os...

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

0 votes

240 views

1 answer

java - Interpolation over an array (or two)

I'm looking for a java library or some help to write my own interpolation function. That is I have two ... only the y values are important. See Question&Answers more detail:os...

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

0 votes

252 views

1 answer

java - What is "src" directory created by Eclipse?

I just installed Eclipse. The Eclipse created the "workspace" folder. In this folder I created a "game" sub- ... create a project in Eclipse? See Question&Answers more detail:os...

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

0 votes

139 views

1 answer

java - NoSuchAlgorithmException: Algorithm HmacSHA1 not available

Look at the following line of java: Mac.getInstance("HmacSHA1"); If I put this in a simple test program, ... without problems in a test program. See Question&Answers more detail:os...

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

0 votes

85 views

1 answer

java - Change language in android application using string file

I'm new in java and actually developing a game app and I wanted add a feature which could change languages in the ... (); } Thanks a lot! See Question&Answers more detail:os...

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

0 votes

494 views

1 answer

java - Log4j : Creating/Modifying appenders at runtime, log file recreated and not appended

I want to create and enable an appender for a particular method call MyMethod(), whose log output is supposed to ... (); fileAppender=null; } } See Question&Answers more detail:os...

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

0 votes

144 views

1 answer

java - RMI and CORBA Differences?

I am studying for a final and have a few questions about RMI and CORBA. These are discussion questions taken from ... they all seem to related. See Question&Answers more detail:os...

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

0 votes

228 views

1 answer

java - Why are exceptions named checked and unchecked?

Why is the two exception types in Java named "checked" and "unchecked"? What is the reason behind those names? See Question&Answers more detail:os...

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

0 votes

125 views

1 answer

java - Using Platform.exit() and System.exit(int) together

I would like to close a javafx application with a specified return code. Browsing through answers on SO, I ... does this idiom exactly work? See Question&Answers more detail:os...

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

0 votes

254 views

1 answer

java - UTF-8 Encoding ; Only some Japanese characters are not getting converted

I am getting the parameter value as parameter from the Jersey Web Service, which is in Japaneses characters. ... not converted properly? Thanks. See Question&Answers more detail:os...

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

0 votes

213 views

1 answer

java - action listener to JDialog for clicked button

I have main application where is table with values. Then, I click "Add" button, new CUSTOM (I made it ... get value value = addISDialog.ISName; See Question&Answers more detail:os...

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

0 votes

259 views

1 answer

java - Using Unicode characters for file names inside a zip archive

I am zipping a file name contains some special characters like Péréquation LES HOPITAUX NEUFS.xls to a different ... inside a zip archive? See Question&Answers more detail:os...

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

0 votes

767 views

1 answer

java - Find nearest date among several dates to a given date

I have a list of dates and a current date. How can I find the date which is nearest to the current date? See Question&Answers more detail:os...

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

0 votes

861 views

1 answer

java - "No matching benchmarks" when running JMH from main in eclipse

I wanted to try out the new feature of JMH by running it as Java Application in eclipse. I imported and built jmh- ... ? I am using version 0.3 See Question&Answers more detail:os...

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

0 votes

157 views

1 answer

java - redirect from jsf?

I am working on application with jsp, jstl and jsf for my college project, thats being said, I am as well ... return; } Thank you in advance. See Question&Answers more detail:os...

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

0 votes

282 views

1 answer

java - Not able to dynamically set the setVisibility() parameter

I am trying to set the visibility for a button as follows: public Bundle setActivityState(Bundle bundle){ startBtn = ... What can be done here? See Question&Answers more detail:os...

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

0 votes

107 views

1 answer

java - How to check if the class name is valid?

Is there a method in Java to check if a string can be used as a class name? See Question&Answers more detail:os...

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

0 votes

142 views

1 answer

java - Kotlin: Why can't I do an assignment in a loop guard?

Why is this syntax not valid? The error IntelliJ reports is that only expressions are allowed in such context (line 2). I ... read()) != 1) { } See Question&Answers more detail:os...

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

0 votes

224 views

1 answer

java - COMMIT OR conn.setAutoCommit(true)

I have noticed some programmer using COMMIT other using conn.setAutoCommit(true); to end the transaction or roll back ... ); statement.commit(); See Question&Answers more detail:os...

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

0 votes

244 views

1 answer

java - MySQLNonTransientConnectionException in JDBC program at run time

I have a JDBC MySQL connection in Java. My program works fine for simple execution of query. If I run the ... ); What causes that exception? See Question&Answers more detail:os...

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

0 votes

251 views

1 answer

java - Datepicker and timepicker - set max and min values

I am trying to make something like a reminder app. I want to allow the user to select date and time that is not ... MM").format(hourSet)); } }; 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