Java
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Java – how to use graduates to delete specific permissions when building Android applications?
Recently, Google automatically merged licenses from Google services to the final version of APK My problem is that som…… -
How to use Java 8 stream iteration nested for loops to reference parent elements?
I want to use the Java 8 stream to iterate over the nested list and extract some results of the list at the first matc…… -
Java – use ActiveMQ, camel and spring to implement the request reply mode
I'm trying to implement the following features: Then read the CSV file line by line: >Build the request according t…… -
Java – spring boot and thymeleaf – remove strict HTML error checking
I use spring boot as an MVC application, and my view technology is thymeleaf One thing I need to do is copy the HTML o…… -
Java – Android – can you publish different applications with the same keystore file in multiple accounts?
There is already an answer to this question: > can I use the same keystore file to sign two different applications?…… -
How to clear HTTP from Java?
I am trying to perform purge using httpurlconnection as follows: private void callVarnish(URL url) { HttpURLConnec…… -
When compiling java with different versions of JDK, the same target and source versions are guaranteed to perform the same operation?
We will update our CI system from Java 7 creation to Java 8 After that, we want to migrate the projects to Java 8.0 on…… -
Java – how to improve the reliability of e-mail sending and delivery?
Current applications use simple java mail to send several emails a day, but some emails will never be sent to the clie…… -
Java – slf4j log4j recorder does not record
I want to use slf4j-log4j for the first time In each Java class, I define such a recorder: private org.slf4j.Logger lo…… -
java – React Native,Android Log.
Is there any way to see logs from Android's native (Java) modules on the machine? I am using the Javas log module http…… -
Java – I can’t have two keywords on the same line: Private Final… ()?
I know that when you create a method final in Java, it cannot be overwritten When a method is private, it can only be …… -
Error creating bean with name and singleton bean is not allowed
When I execute code through JUnit test case, I receive the following exception Can anyone suggest possible problems? T…… -
Java – will closing datainputstream also close FileInputStream?
FileInputStream fstream = new FileInputStream(someFile.getPath()); FileInputStream fstream = new FileInputStream(someF…… -
Java – Custom spring annotations for request parameters
I want to write a custom annotation that will modify the spring request or path parameters according to the annotation…… -
Redirect Java – version to a file or variable
This may be a stupid question, but I tried to redirect the exit of the "Java - version" command to a file or variable,…… -
Java – length in array and length () in string
When we talk about arrays and length (), why is the length of data fields when we talk about strings in Java? Means: i…… -
Java – why doesn’t this code cause concurrentmodificationexception?
I'm reading about concurrentmodificationexception and how to avoid it Found an article The code for the first list in …… -
Asynchronous – rxjava adds items after creating observable
I just started using RX Java and I got stuck Maybe I don't use rxjava in the right way, but I need to add it to observ…… -
Java – selenium. In selenium webdriver What is the equivalent of waitforpagetoload (“30000”)?
The following is the Java code waiting for the page to load in selenium RC: selenium.waitForPageToLoad("30000"); What …… -
Java – App Engine blobstore – what can I do to limit the size of files that users can upload?
What can I do to limit the size of files that can be uploaded? I know I can use swfupload to limit its client, but how…… -
Java – what is a better way to keep the adapter as an active internal class or external class?
I want to check for a better and faster way to use the listview program with the adapter Is it out or activity class? …… -
Java adds text to a specific line in a file
I wonder if I can add a line to a file with Java For example, myfile: 1: line 1 2: line 2 3: line 3 4: line 4 I want t…… -
Why is line 17 of this Java program not executed?
As an exercise in my java course at uni this morning, I had to write a small program to ask users to enter some detail…… -
JMeter slave – server failed to start: Java rmi. RemoteException: cannot start Ip-10-142-111-66 is a loopback address
I created a quasi system EC2 Ubuntu server and only used hte to install JMeter to follow sudo apt-get install jmeter T…… -
Java – illegalargumentexception: the name of the executable file has embedded references and split parameters
I received an error: IllegalArgumentException : Executable name has embedded quote,split the arguments Runtime Runtime…… -
robots. Txt parser Java
I want to know how to parse robots in Java txt. Do you have a code? Solution Heritrix is an open source web crawler wr…… -
BlackBerry queue thread
I've seen BB API (5.0), and I can't find any method to execute a batch of threads serially I know BB has a limit on th…… -
The Java EE project cannot be deployed
I am a beginner of Java EE Today, I try to learn Java EE according to this tutorial: It basically teaches how to use N…… -
Common Lisp – error saving SbCl image from Emacs multi thread
I have been saving and running the Common Lisp image to save restart time and improve development efficiency However, …… -
Java – openjpa in OSGi does not find the MySQL JDBC connector bundle
I am currently working on Felix's OSGi project (v4.0.3) I need to use JPA, so I installed the Apache Aries JPA package…… -
Even if there is enough JAVA memory – why repeat Java garbage collection
Our java process consumes a lot of CPU, and the log shows that it often performs GC, even if the memory used is about …… -
Java – adds an object to the type of the “extended” common collection
public void addAllAnimals(ArrayList<? extends Animal> animalLikeList){ public void addAllAnimals(ArrayList<? ……