Recent questions tagged java

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java - how to connect to firebird DB on android

I need to connect my android application to my firebird DB do someone knows how to do this? please write the code! 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 - setOnUtteranceProgressListener not at all working for Text To Speech for API > 21

I want setOnUtteranceProgressListener should notify a Toast after the speech is completed.It seems not working. I have ... a solution for 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 - How to run Javac from Eclipse

I'm trying to run 'javac' tool on a compiled .class file in Eclipse. I open External Tools Configuration ... Working directory: fields right ? 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 - Derby Auto Increment by 100 when specified as 1

In used query to create derby database table consist of primary column auto increment. CREATE TABLE "table" ( " + ... there any error in query? 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 apache fileupload on GAE

I use Apache Commons FileUpload in a java server-side app that has a html form with fields : A destination ... server.UID is a restricted class 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 disable all components in a JPanel

In my JPanel I have many components, including other JPanels, JLabels, JTextAreas, and JButtons. Becuase I want ... ! All help is appreciated! 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 - Position on Screen Right Bottom

I need to position JFrame on my screen. But I can't make them appear on the right side of the screen bottom. ... frame.setLocation(x ,y - 45); 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 - Embedding VLCJ in JPanel

I have read this SO thread and when I have tried to use the code with some changes, I'm getting just a black ... (url); } } 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 - What does "The type ArrayList is not generic" mean?

I am new to Java and trying to learn the various collections that programmers can use. I imported "java.util" into ... , what is "source level"? 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 do I have to install/configure Xuggle to not get an UnsatisfiedLinkError?

I am JUST getting started with Xuggle and I downloaded everything into Eclipse and I included them in them in ... .main(getContainerInfo.java:9) 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 fire mouse event programmatically in JavaFX?

The following code show two panels, yellow and blue, where blue is a child of yellow. If I click ... let system determine targets automatically. 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 - Selenium Select - Selecting dropdown option by part of the text

The class Selenium Select has 3 methods of different option selection: selectByIndex selectByValue selectByVisibleText Now, ... it effectively? 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 reading from csv file and storing its information into ArrayList<class>

I'm a java newbie and I need a some help so here is my main method: RegistrationMethods dmv = new ... + lastName; return str; } 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 - is meta http-equiv value cache control is not supported?

i have this code here on a page:  <meta http-equiv="Cache-Control" content="no ... tags in every page.? Thanks ahead 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 - Why do integer datatypes overflow silently rather than throwing exception

I have learnt(atleast in java) that integer/long values overflow silently and their values start over from ... throw exception on overflow? 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't select an Iframe in selenium webdriver

I am trying to select an Iframe by a class name but it's not working , I am trying with tagName it works but then ... > </html> </iframe> </div> 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 JLabel background transparent again

I have a JLabel that changes its background color when the mouse enters it. The problem I have is that I want ... I can use to accomplish 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 8 - How to get an ObservableFloatArray from a Stream?

This is nearly the same question as this one, but in the opposite direction. I know there's no ... any possible solution involving streams. See Question&Answers more detail:os...

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

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249 views

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java - Read a file from GCS in Apache Beam

I need to read a file from a GCS bucket. I know I'll have to use GCS API/Client Libraries but I ... example that would really help. 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 - Creating all possible ways of a boolean array of size n?

I need to be able to create a boolean array of one combination and run it through a program to see if it ... Any help would be greatful. 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 - String contains at least one digit

I am trying to see whether a string contains at least a digit or a lowercase or an uppercase. I have written ... 0. 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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218 views

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java - How to compare two arraylist?

I have two ArrayList. Each is of size 100000. I want to compare them and count matched elements. Here's ... to solve and optimize this problem. 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 - File.renameTo() fails

I have eclipse plugin jface application. A thread writes file via BufferedWriter. After writing is done I close the ... 7 JAVA version: 1.5 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 - UTF-8 encoding a servlet form submission with Tomcat

I'm attempting to post a simple form that includes unicode characters to a servlet action. On Jetty, everything ... through without a problem. 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 - Kafka producer is connecting to localhost instead of the real IP

Please help I'm wondering why the kafka producer always connect to the localhost however there the broker ip is ... Broker may not be available. See Question&Answers more detail:os...

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

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297 views

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java - How to set the location of "JOptionPane.showMessageDialog"

I want to make JOptionPane.showMessageDialog message appear Any place in the screen. Relative to JFrame. (not at the ... of the JFrame) How? See Question&Answers more detail:os...

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

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238 views

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java - Excel Cell Format in JasperReport Report

I'm working on JasperReport Report that generates Excel file. For some reason my cell formats/types are not how they ... 's how I need 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 - How to inject dependency into Jackson Custom deserializer

I want to enable a custom jackson deserializer of some fields of type String. The deserializer also needs to be ... to get context and bean. See Question&Answers more detail:os...

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

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