Recent questions tagged JAVA

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java - Difference between Deployment Assembly and J2EE Module Dependencies in Eclipse

When using a Eclipse 3.7 Indigo for Java EE Developers, there is something called Deployment Assembly . I could ... how could this be fixed? 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 get differences between two json objects using GSON?

I used this code to compare two JSON object using Gson in Android: String json1 = "{"name": "ABC", "city ... using Gson in a JSON format? 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 - Problem with Spring FileUpload

I have the following block of code which is handling my file upload of a photo that I am using in my Spring ... and give me the error above. 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 - Adding classpath to jetty running in maven integration-test

I'm trying to set up integration tests for a Maven project that produces a war file. (As seen here http:/ ... .properties files are not found. 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 we decide the number of dimensions for Latent semantic analysis ?

I have been working on latent semantic analysis lately. I have implemented it in java by making use of the ... for effective performance of LSA? 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 - Common algorithm for generating a diff of the fields in two beans?

Let's say you have two instances of the same bean type, and you'd like to display a summary of what has ... and nothing popped out at 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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java - Reason for adding default and static methods in interfaces

Java 8 introduced default and static methods on interfaces. So now you can have concrete implementations in ... to extend multiple interfaces? 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 setup HtmlUnit in an Eclipse project?

My project includes htmlunit jars and downloads some pages content. Executable jar (which includes libs, funct. of eclipse ... .toString (); } } 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 - Changing the context path of deployed (Spring Boot) war on a container tomcat server. So it is not demo-0.01-SNAPSHOT

I have tried to deploy my site using many configurations to make it change from the war name being deployed ... would be appreciated. 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 - Default RSA padding in SUN JCE/Oracle JCE

Could you help me to point out what is the default RSA padding. Precisely, if I create cipher instance as below, ... PKCS#1 v 1.5? Thanks, Sam 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 change jdesktoppane default background image?

How to change jdesktoppane background image in MDI (Multiple Documents interface) using java netbeans? Means I added ... .tinypic.com/iml1e9.jpg 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 - Yui compressor StringIndexOutOfBoundsException on jboss

When minimising yui with 2.4.6, I get this problem: java.lang.StringIndexOutOfBoundsException: String index out ... classloader. Please 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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java - Abstracting named queries in an abstract JPA DAO

I have an abstract DAO class which uses parameterized types E (Entity) and K (Primary Key). In every entity I have a ... null; } } // ... } 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 - Fastest method to define whether a number is a triangular number

A triangular number is the sum of the n natural numbers from 1 to n. What is the fastest method to ... pattern repeats itself regularly.--> 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 - What are the kinds of covariance in C#? (Or, covariance: by example)

Covariance is (roughly) the ability to mirror inheritance of "simple" types in complex types that use them. E.g. ... chops can chime in, too! 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 - Tomcat, keep session when moving from HTTPS to HTTP

I have a Java application running on Tomcat 6.0.29, with Apache 2.2.3 in front. The login page uses HTTPS ... they hit the login page first? 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 - Maven surefire and JDK 11

I'm trying to get Maven surefire to run under JDK 11 but I keep getting these errors: If I set reuseForks ... this bug I created this git repo 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 find out all palindromic numbers

A palindromic number or numeral palindrome is a "symmetrical" number like 16461, that remains the same when its ... numbers below, say, 10000? 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 - Android: onListItemClick in Activity

Previous time I asked a question here I learned a lot so I guess it's worth a shot to try it again. I ... force close? Thanks a lot 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 - Android custom Animation for an ArcShape

First let me explain my goal. I am trying to make an Animation that changes the properties of an ArcShape. An ... currAngle. But HOW? } } 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 - "Char cannot be dereferenced" error

I'm trying to use the char method isLetter(), which is supposed to return boolean value corresponding to whether the ... do I avoid doing 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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java - Randomly SSLException Unsupported record version Unknown-0.0

Sometimes the code below fails and sometimes it work. I'm using Java8. Is it a server side problem? ... (connection.getOutputStream()); } 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 - Best way on how to solve/debug JVM crash (SIGSEGV)

I'm really lost and I don't know how to face and solve my problem. I have a piece of simple Java Code ... 0x00000006c0022c00> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.Select...

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

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java - Spring Boot Application - what is default timeout for any rest API endpoint or a easy config to control all endpoint timeout

I am using current Spring boot version (1.4.x) and wondering if it has any default timeout for api ... in latest spring boot applications. 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 - Hibernate criteria on collection values

I'm trying to put together a complicated query using Hibernate. I've been leaning toward Criteria, but I'm ... to go about doing 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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181 views

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java - How I can speed up the build process using Maven

I am using Maven as build tool. Presently I am building using this command. Right click on the project > Maven clean ... (default-resources) @ Test --- [debug] execute contextu...

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

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179 views

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java - How to parse CSV file into an array in Android Studio

i'm wondering how to parse a CSV file and just store the contents into an array. My csv file looks ... Any help would be greatly appreciated! 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 send arbitrary parameters to Oracle trigger?

The purpose is to send extra information to triggers like current user id from a web application. Since a ... a java based application. John See Question&Answers more detail:os...

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

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