Recent questions tagged Java

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java error occurs when using recursive fibonacci function

Here's my code and it runs well with values of 400 to 4000 but once it's about 4mil, I get stack overflow errors. ... ("Sum %f" +sum2); } } 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 - CmisObjectNotFoundException when trying to access my Alfresco repository

I'm new with CMIS and Alfresco and I got this error when in try to connect to my Alfresco's repository ... return session.getRootFolder(); } } 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 - Are Immutable objects immune to improper publication?

It is an example from JCiP. public class Unsafe { // Unsafe publication public Holder holder; public void ... not declared to be volatile? 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 check if a number contains a certain digit?

I need to write a boolean method called hasEight(), which takes an int as input and returns true if the number ... ); keyboard.close(); } } 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 count the number of times a word appears in an array

I am trying to count the number of times each word is in the array in java and then display it, but I can't ... //print(); countDigits(); } } 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 - When is InputStream.available() useful?

When is InputStream.available() or BufferedInputStream.available() useful in socket programming in Java? 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 Spring Boot app run on weblogic 12C?

How to Spring Boot app run on weblogic 12c. My application class like this : package com.website; import javax ... >website</finalName> </build> 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 - Read Data From Text File And Sum Numbers

I want to read in data from a text file which is full of integers and have the program print those integers ... ReadFile.main(ReadFile.java:12) 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 - Change behavior of JTable key actions

I have a JTable with editable cells. When I click in a cell, it enters edit mode; the same ... so: table.addMouseListener(mAdapterTable); 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 set & manage the layout of JOptionPane

I have a simple JOptionPane with some components and I want to arrange them. For example I want to put the label next ... "}, "default"); } } 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 - J2Mod - I/O exception - failed to read

I am using for J2Mod java jar for my project. I am connected with the device through comport but, neither able to ... Level.SEVERE, null, ex); } 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 - selecting among multiple sockets that are ready to be read from

I am writing a server-client application. I have a server that holds several sockets that I have got from the ... the data it sends. 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 get a JTextField to respond to the enter key

So I want to get a JTexField to put the text in it into a JTextArea when the enter key is pressed with the cursor in it. Can anyone help? See Question&Answers more detail:os...

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

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679 views

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java - How to hot-deploy jsp file to tomcat?

I don't want to build a war file each time I make a little edit in a JSP file. I want things to work ... in a released version of my software ? 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 - RabbitMQ SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder"

I'm trying to connect to RabbitMQ in Java with InteliJ IDEA (Maven 3.3.9), but an error occurs when ... /dependency> </dependencies> </project> See Question&Answers more detail:os...

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

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394 views

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java - Does a thread implicitly call notifyAll() , if other Threads are waiting on it?

First thing i think i should say is that i am not looking for a solution , this is hwk , but it runs correctly ... ) + " terminating"); } } 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 - OutOfMemoryError while doing docx comparison using docx4j

in my application i am comparing two docx files and creating one html comparison file, when i tried with below 150 ... one please help on this? See Question&Answers more detail:os...

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

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638 views

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java - Relation between type, attribute, instance and value

I'm developing an Java-application which stores its data via Hibernate in a database. One feature of this ... doesn't solves my problem. See Question&Answers more detail:os...

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

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439 views

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java - Is to possible to submit two forms simultaneously?

Is to possible to submit two forms simultaneously with either javascript or a submit button? Form structure is ok ... the two in a array? See Question&Answers more detail:os...

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

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765 views

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java - Set page view mode in excel file using apache poi

Excel has different modes for viewing a sheet: Normal, Page Layout, Page Break Preview. (In excel 2010: in ... editing it and repacking) 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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484 views

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java - Extending Swing's UndoManager to provide repeat and multiple undo/redo

I've been tasked with adding undo/redo/repeat functionality to an application. I'm currently investigating whether ... ? Thanks in advance. 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 hide a particlar column in DefaultTableModel from displaying it in table?

I am using Java Swingx framework. I have 4 columns in my DefaultTableModel object. I wish to display only 3 ... from rendering? Please guide me. See Question&Answers more detail:os...

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

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567 views

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java native interface - Jstring comparison in.c language

How to compare two jstrings in c language.I am working with java native interface in which i am calling c ... compare the names for matching. See Question&Answers more detail:os...

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

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556 views

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java - Reading CSV file using BufferedReader resulting in reading alternative lines

I'm trying to read a csv file from my java code. using the following piece of code: public void readFile ... while reading the csv file. See Question&Answers more detail:os...

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

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588 views

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java - Not able to connect to oracle database using JDBC if password is having special characters

I am trying to connect to oracle database using JDBC. following is the code:: public class OraclePwdTest { static{ ... me to resolve the issue. See Question&Answers more detail:os...

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

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483 views

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java - making text appear delayed

I want to make text appear in the following way: H wait 0.1 seconds He wait 0.1 seconds Hel wait 0.1 seconds ... (ch); unit.sleep(delay); } } See Question&Answers more detail:os...

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

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630 views

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java - Endless loop while using "try and catch " block inside a "while loop"

My program has an endless loop, when I use try and catch block in a while loop. import java.util.*; class Try ... endless loop. Why is this so? See Question&Answers more detail:os...

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

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474 views

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java - Reading mails sent from GMail

I am using JavaMail to read mail in my Android app. I have tried to cover all combinations i.e Mail ... returns the correct name for attachment See Question&Answers more detail:os...

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

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