Recent questions tagged JAVA

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java - How to pass Map<String, String> parameters or object to POST request via Retrofit?

I have a problem with passing Map parameters or object to Retrofit POST request. I follow square, kdubb labs ... I pass object to request? 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 - Writing data to System.in

In our application, we expect user input within a Thread as follows : BufferedReader br = new BufferedReader(new ... into System.in from junit? 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 - checking an integer to see if it contains a zero

Given an integer, how could you check if it contains a 0, using Java? 1 = Good 2 = Good ... 9 = Good 10 ... ! 1111 = Good How can this be done? 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 - Saving to SD card as text file

stopWriting = (Button) findViewById(R.id.save); stopWriting.setOnClickListener(new OnClickListener() { @SuppressLint(" ... me correct it. 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 - Get the PID of a process to kill it, without knowing its full name

I'm coding an Android application. Now I'm going to a part where the application should kill a process. ... /com.something.something/mybinary") 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 - Sonar properties files

I have a project that has the following package structure src/main/proj -com.company.package -appName - ... .delegateExecution(Runner.java:285) 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 - Is it violation of Clean Code to call init method in constructor like this

My concern in the code below is that the param to constructor is not actually directly mapped to the class ... ); return canvas; } 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 - "someVariable cannot be resolved" error indicated in Eclipse for an included JSP

So I have a main JSP index page, "index.jsp", which has several includes. Something like, <%@ include ... compiled together with "index.jsp". 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 - ClientAbortException when using Jersey 2.13

I'm using Jersey 2.13 in my web application for retrieving data async. There are some cases where requests take ... looking for an answer... 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 - Providing a timeout value when using @Async for a method using Spring 3.0

I looked through the documentation but couldn't find if there is a way to specify a timeout for async ... triggering an async computation. See Question&Answers more detail:os...

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

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199 views

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java - Getting Product information like name, price etc using barcode number

I am developing an app which uses barcode to get the product information of items after scanning the barcode. I don ... why I am getting 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 - Deprecated compiling error

I'm trying to compile my Java program, however I am getting a "Deprecated File" error. I normally compile the ... command line to make it run? 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 - Difference between ArrayIndexOutOfBoundsException and IndexOutOfBoundsException?

What are the use cases in which we should use ArrayIndexOutOfBoundsException and `IndexOutOfBoundsException one over another? 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 implement google places autocomplete programmatically

Autocomplete predictions don't show up in my MapsActivity when i type text in AutoCompleteTextView (mSearchText). ... the listeners either. 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 - Is it bad to create different classes for REST request and response?

I'm working in a Spring Boot project, as my implement at the moment, almost for each API I have request and ... , will some fields be 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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239 views

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java - Retrieving Soap Header on JAXWS Server Side

We are trying to do a security implementation in our JAX web services and are passing the UserName and ... Password will be 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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297 views

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java - Security configuration with Spring-boot

I created a Spring Security configuration class for Spring-Boot. My login page has resources ... .intercept.FilterSecurityInterceptor@424bef91] See Question&Answers more detail:os...

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

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282 views

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java - LocalDate - How to remove character 'T' in LocalDate

How to remove T in my localDate? I need to remove the 'T' to match data in my database. This is my code ... the 'T' character? Any idea guys? 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 - running a subset of JUnit @Test methods

We're using JUnit 4 to test: we have classes that don't are a subclass of TestCase, and they have ... alternatives? Thanks for your time. See Question&Answers more detail:os...

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

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157 views

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java - Error with cookie-value when adding a new Spring Session

In my Spring Boot 1.4 based application I use Spring Session to store session data in the database with ... 8.5.4] at org.springframework.web.filter.CharacterEncodingFilter.doF...

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

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324 views

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java - How to get login attributes from a servlet/jsp

Lately I've been working on implementing security for my web application, running on a Glassfish v3. I ... information? 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 - Rollback a @Transactional annotated method

Good day. The following code: class A{ private B b; @Transactional public SomeResult doSomething(){ ... rolled? and returned SomeResult See Question&Answers more detail:os...

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

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284 views

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java - How to get the primary key of any JPA entity?

For every @Entity I need to perform the following: public <Entity> boolean insert(final Entity entity){ if (em.find( ... I attempt in .getId(). See Question&Answers more detail:os...

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

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328 views

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java - how to display model attribute in jsp using Spring MVC?

Actually my application have Spring MVC... I have User.jsp, In this i'm creating some empty form (text boxes, ... me i'm stuck this point.. 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 - EJB - Home/Remote and LocalHome/Local interfaces

Revising some past exam papers for an exam mainly focus on component-oriented design and J2EE, I have come across ... be after when asking 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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335 views

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java, android, resolve an url, get redirected uri

I have an authentication protected url : www.domain.com/alias that when requested will return another url: www. ... if Java already faces 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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342 views

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java - What are consequences of having GCM SENDER ID being exposed?

Scenario: Suppose by reverse engineering a .apk file, an attacker obtains the SENDER ID for Push Registration ... the above security lapse. See Question&Answers more detail:os...

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

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405 views

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java - Can I "pass" an object with a JSF param tag?

What I'm looking for is to have an f:param tag with an Object of my own choosing in the value attribute ... the RequestMap in an action 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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