Recent questions tagged java

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java - Tomcat - making a project folder the web root

I have this folder under Tomcat webapps/mysite which is where all my JSPs and other things are located. To access ... .. what's happening 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 - JAX-WS client without a WSDL document file

I am consuming a webservice soa, with netbeans (jax-ws) i use netbeans auto generate client, and all run fine, ... ) Any idea to ignore wsdl? 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 can we get exact time to load a page using Selenium WebDriver?

How can we get exact time to load a page using Selenium WebDriver? We use Thread.sleep We use ... a page using Selenium WebDriver? 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 - Instantiate objects without using new operator

In one of the java interview, the following question is asked: In java is there a way to instantiate an ... java without using new operator? 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 - Apache Tika extract scanned PDF files

i'm having some troubles using Apache TIKA (version 1.10). I got some PDF files which are just scanned pieces ... you could provide some 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 ArrayList contains different objects

Is it possible to create ArrayList<Object type car,Object type bus> list = new ArrayList<Object type car,Object ... to one arraylist? 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 add an item to the text selection popup menu?

When the user marks some text (inside of an EditText, WebView...) a floating text selection popup appears, ... selected String to my activity. 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 strings created with + concatenation stored in the string pool?

For instance String s = "Hello" + " World"; I know there are two strings in the pool "Hello" and "World" ... there in the pool in each case? 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 - Why does Android ignore READ_SMS permission?

I am playing with reading inbox under Android API 15 and I am stuck on the following problem: My app has ... in A6.0 regarding SMS permissions? 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 static method and variables?

Can someone give an easily comprehensible definition of a static variable and a static method? How do these ... -static variables and methods? 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.remove() is not removing an object

I know this is a messy implementation, but I basically have this code (I wrote all of it), and I need to be ... getName() { return name; } } 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 - checksum failed: Kerberos / Spring / Active Directory (2008)

We are having trouble getting Kerberos/AD authentication to work with a Spring webapp, and I believe the problem ... the production AD setup. 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 the previous key/value and the next key/value in Maps

for (Entry<Double, String> entry : map.entrySet()) { Double key = entry.getKey(); String value = entry ... next element while iterating the map? 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 show 2 camera preview side by side?[For cardboard apps]

I am trying to build a Cardboard android application that shows 2 camera view side by side. [Just like ... ; private int mGlProgram; private int mPositionParam; private int...

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

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java - Findbugs warning: Integer shift by 32 -- what does it mean?

I was scanning a third party source code using Findbugs (just to be cautious before integrating into it mine), ... a newbie in Java programming) 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 - PrintStream object out is initialized by null, how we call method on it?

I have seen in the System class that the out object (of type PrintStream) is initialized with a null value. How ... can we use "out" variable. See Question&Answers more detail:os...

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

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259 views

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java - In Selenium Webdriver, ExpectedCondition.elementToBeClickable is not waiting until the progress bar disappears

This question is similar to the one below: i.e. How to wait till Progress bar disappears. How to wait ... the "Cancel" button is clicked. See Question&Answers more detail:os...

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

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142 views

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java - Embed a Executable Binary in a shell script

First, I already googled but only found examples where a compressed file (say a .tar.gz) is embedded into a ... would like to know that 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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275 views

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java - Using JNA to link to custom dll

how do I access custom .lib / .dll functions using JNA? Can someone provide an example? Thank you. 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 - Three-tier architecture and exceptions

It's considered good practice to have an exception for each layer of application (i.e. ... throw only PersistenceException? See Question&Answers more detail:os...

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

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195 views

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java - How to get image URL property from Wikidata item by API?

I've made an android app that uses the JSON Google image search API to provide images but I have noticed ... property from items in Wikidata? See Question&Answers more detail:os...

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

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213 views

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java - Android Okhttp asynchronous calls

I am attempting to use the Okhttp library to connect my android app to my server via API. My API call is ... new class that uses AsyncTask<>? 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 you access completed futures passed to CompletableFuture allOf?

I am trying to get a grip of Java 8 CompletableFuture. How can I join these to person and return them after " ... System.out.println(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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436 views

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java - How to parse/unzip/unpack Maven repository indexes generated by Nexus

I have downloaded the indexes generated for Maven Central from http://mirrors.ibiblio.org/pub/mirrors/maven2/dot- ... </version> </dependency> 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 id of last inserted record in mybatis

I am newbie to mybatis. I am trying to get the id of last inserted record. My database is mysql and ... and records are inserting properly. See Question&Answers more detail:os...

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 - JPA Native Query for Entity with Inheritance

I have an entity class and a subclass based on that entity: @Entity @Inheritance(strategy = InheritanceType. ... inheritance defined on 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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253 views

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java - How do I configure this property with Spring Boot and an embedded Tomcat?

Do I configure properties like the connectionTimeout in the application.properties file or is the somewhere else to do it ... I get an 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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940 views

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java - OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release

I'm starting a new Spring 5 project with Java 14. It compiled, but gave me a warning: OpenJDK 64-Bit Server ... Any ideas how to solve 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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