Recent questions tagged java

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I have the following method: public void addStudent(){ String fName, lName; double mGrade, fGrade; System.out.print ... the type... 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 to submit multiple entities to the post method from jersey client program?

I am trying to pass multiple entities to the web service method. The web service method has two parameters ... ).post(ClientResponse.class); 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 - Format of BigDecimal number

BigDecimal val = BigDecimal.valueOf(0.20); System.out.println(a); I want to store in val a value 0.20 and ... out.println(nf1.format(0.5000)); 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 determine if a number is prime

Okay my issue is less of how to figure out if a number is prime, because I think I figured that out, but more ... . Not sure what to do 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 - Schema-validation: missing table [hibernate_sequences]

I use Spring 4.3.3.RELEASE, Hibernate 5.2.2.Final, the database is MySQL. I wanted to try strategy = ... .java:878) ... 17 more 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 - getResource() to a file at runtime

I put some .txt files under the src folder (in the resources folder). But I can't create a valid File at runtime ... .txt"); I get the stream!! 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 - JTextPane is not wrapping text

I am running into one weird problem. I have a JtextPane inside a JscrollPane which is showing large string in term ... ) ); return scrollPane; } 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 - According to TLD or attribute directive in tag file, attribute name does not accept any expressions

I write the following code in JSP. <% String p_loginPassword = OpeCommon.LOGIN_PASSWORD; String p_encryptCode = ... give me some suggestions. 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 native interface - How to trap System.exit() in code called from JNI

I'm writing a C interface to a java library that calls System.exit(). I call: /* Calls the main method for the ... that, or am I SOL? 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 - Save and Insert video to gallery on Android 10

I'm trying to save a video to the gallery,the following code works well an all Android versions except the ... an empty video in the gallery 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 - CommentThreads: insert gives 403 Forbidden

I'm going nuts with this error. As far as I can see I've followed the instructions correctly. My scopes ... is not a YouTube Channel Account. 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 - Http Requests POST vs GET

I am using a lot of HTTP Requests in an application that I am writing which uses OAuth. Currently, I ... would appreciate any feedback. 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 - clojure classpath problem for (require) function?

CLASSPATH has the "/Users/smcho/Desktop/clojure" as one of its path, and this directory has the file hello.clj ... the source on the CLASSPATH? 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 - Check MQ queue depth

Can anyone help in doing the code in java of getting the depth of the queues. We are having 4 queues in IBM ... report. How do I do that? 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 - ArrayList in J2ME?

I have an arraylist of database records. I want to put it in my J2ME List. But there is no split or arraylist ... A code example would be nice. See Question&Answers more detail:os...

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

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504 views

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java - square root character/symbol

I was wondering what the character code of the square root symbol is in java? That is, I want to be able to ... or as the label on a button. 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 - servlet for implementing socket connection

How do I implement a web application with a Servlet that is listening on a port for socket connections? 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 - Exception occurred when flushing data . What is this and why am I getting this?

There is something interesting going on. When I call a url abc.com a servlet is addressed but the request passes through ... > --> </web-app> 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 get list of followers using Twitter Fabric Android?

I want to use Twitter Rest Api without using twitter4j. Fabric is fine but i couldn't find a method ... .ZygoteInit.main(ZygoteInit.java:1195) 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 - StackOverflowError when matching large input using RegEx

I got StackOverflowError when matching the result using a RegEx pattern. The pattern is (d*?(;(?=d))?)+. This ... I'm not experienced in RegEx. 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 make TestNG wait for my test to complete before shutting it down

I have a slightly complicated test structure so bear with me, I have a series of testng test cases and ... or via associated libraries) finish? 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 - force maven to fail the build on nonnull violations

I have the simple code below for testing the findbugs NonNull annotation with maven. I execute "mvn clean install ... a normal maven plugin) See Question&Answers more detail:os...

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

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691 views

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java - Issue to read multiple barcodes using zxing library

I am trying to read 2D Data matrix barcode using zxing library(GenericMultipleBarcodeReader). I have multiple barcodes ... this issue. 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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382 views

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java - Out of Thin Air Safety

Java Concurrency in Practice explains this concept: When a thread reads a variable without synchronization, it may ... "please comment" remark. 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 do I ensure that Scanner hasNextInt() asks for new input?

New programmer here. This is probably a really basic question, but it's stumping me nevertheless. What I'm trying ... same problem that I have. See Question&Answers more detail:os...

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

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389 views

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java - Making JTable cells uneditable

I am trying to make all the cells of a JTable uneditable when double clicked by the user. I have read a lot ... Java Gurus can find my error :) 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 Spring evaluate all characters/expressions in SpEL expressions as they are injected from a property file?

I wonder why spring doesn't directly evaluate all expressions as they are injected from a property file into ... values are correctly injected. 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 override isEmpty method of JsonSerializer for specific class without overriding serialize method?

I want to add custom behaviour for isEmpty method. When I extends from JsonSerializer<MySpecificClass> I should ... only isEmpty method. See Question&Answers more detail:os...

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

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