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JAVA QUESTIONS

Support multi-language
Support multi-language
this will help Android has it's own API to handle different locales. The user sets his locale in the Android system settings. You don't need to ask the user for his locale.Simply put the English strings into res/values/strings.xml and the Hebrew stri
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045770
Why does Hibernate @OneToOne execute multiple select queries instead of one?
Why does Hibernate @OneToOne execute multiple select queries instead of one?
wish help you to fix your issue n+1 fetching strategy is default one for Hibernate - just because, as stated in documentation
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045628
How to modify the height and width of a LinearLayout programmatically for a customAlertDialog?
How to modify the height and width of a LinearLayout programmatically for a customAlertDialog?
hop of those help? You can change the default LayoutParams of Dialog to make your dialog full screen like this:
TAG : java
Date : December 02 2020, 10:46 PM , By : mako10zzz
Java getting every second element from array list and using it as value for hash map
Java getting every second element from array list and using it as value for hash map
hope this fix your issue I have the following text file :
TAG : java
Date : December 02 2020, 10:46 PM , By : Marlon
Jmap error "More than one non-option argument"
Jmap error "More than one non-option argument"
this one helps. Since JDK 9 jmap works only with a live JVM through the Dynamic Attach mechanism.The 'forced' mode jmap -F was replaced with a separate utility jhsdb.
TAG : java
Date : December 02 2020, 10:46 PM , By : jngreenwood
Thread.uncaughtExceptionHandler does not catch DataFormatException, FileAlreadyExistsException and NoSuchFileException
Thread.uncaughtExceptionHandler does not catch DataFormatException, FileAlreadyExistsException and NoSuchFileException
this will help Actually your code is already catching all the exceptions in catch block present in extract apart from the DataFormatException. Try removing the IoException from the catch clause so that it can propagate to the Uncaught exception handl
TAG : java
Date : December 02 2020, 10:46 PM , By : fly_614
After navigating to each link in the webpage,how to get list of all forms with method =post using selenium java
After navigating to each link in the webpage,how to get list of all forms with method =post using selenium java
hop of those help? Using regular expressions for parsing HTML is not the best idea, there are way better locator strategies which can talk to DOM as it's a structured information. For example you can go for XPath:
TAG : java
Date : December 02 2020, 10:46 PM , By : gover520
Launch a specific Spring Boot service from a codebase containing several
Launch a specific Spring Boot service from a codebase containing several
it should still fix some issue Spring Profiles allow you to create instances of projects that only use certain configurations https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-profiles.htmlannotating a controller and servic
TAG : java
Date : December 02 2020, 10:46 PM , By : er.navvy
How do I cast a Java Object into a List of integers?
How do I cast a Java Object into a List of integers?
will be helpful for those in need I think you can only cast the Object next = ... object into the type java.util.Arrays$ArrayList, but because it is a private static class, it is better to cast it to java.util.List class.Like:
TAG : java
Date : December 02 2020, 10:46 PM , By : keir
The method andProperty(String) from the type QueryBuilder is deprecated - Javers
The method andProperty(String) from the type QueryBuilder is deprecated - Javers
help you fix your problem Information about replacement for this method is given explicitly in its javadoc:
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045562
I don't understand the difference in output between System.out.println((char)b) and System.out.write((char)b)
I don't understand the difference in output between System.out.println((char)b) and System.out.write((char)b)
wish of those help write writes a byte to the output stream.print writes a character to the output stream.
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045494
How to support multiple source level targets in an annotation processor
How to support multiple source level targets in an annotation processor
I wish this helpful for you While trying to solve a different problem than the one I've described in this question, I came across an answer that I'm sharing here. It comes from class Context in org.hibernate:hibernate-jpamodelgen:5.4.4.Final
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045489
Is there a way to save the obtained output from a a process object's getOutPutStream() method into a file
Is there a way to save the obtained output from a a process object's getOutPutStream() method into a file
To fix the issue you can do I think you are confusing the InputStream and OutputStream in this scenario. Consider them as input/output to your code. Of what I understand, you want to take what's in your in reader and output it to out. I don't see why
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045472
How to use item touch helper with heterogeneous view types?
How to use item touch helper with heterogeneous view types?
may help you . All ViewHolder instances have a method getItemViewType() which will return the same value your adapter originally returned from its own getItemViewType() method when the ViewHolder was created. You can use the value here to choose whic
TAG : java
Date : December 02 2020, 10:46 PM , By : Rimel rittu
Tap button again to confirm action
Tap button again to confirm action
fixed the issue. Will look into that further When the button is pressed, record the timestamp of the press. If the button is pressed again, compare the new timestamp to the old one, and perform the special action if the two presses happend close enou
TAG : java
Date : December 02 2020, 10:46 PM , By : Mark Nielsen
Getting wrong characters from Clob field in Oracle using java jdbc
Getting wrong characters from Clob field in Oracle using java jdbc
it fixes the issue The link in the comment solved the problem, i change the Writer and add the suport for UTF8:
TAG : java
Date : December 02 2020, 10:46 PM , By : user3045349
Run multiple call in parallel go generate object using Futures
Run multiple call in parallel go generate object using Futures
Does that help The problem is that you return custom request before it was populated, because your return the object while it's still being populated in a different thread. If you want the object customRequest to be completely populated before return
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045339
Unparseable date Exception java date pattern
Unparseable date Exception java date pattern
This might help you I am facing an error trying to parse dates with this format: , Use Locale.US so that it considers the month names in US format
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045311
Stored procedures call (namedparameterjdbctemplate)
Stored procedures call (namedparameterjdbctemplate)
around this issue I'm trying to call a stored procedure using jdbc. My connection is being passed through namedParameterJdbcTemplate and that's what I have to use to call it, but when I attempt to do this: , This is how it works:
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045277
com.google.firebase.database.DatabaseException: Failed to convert a value of type java.lang.String to long
com.google.firebase.database.DatabaseException: Failed to convert a value of type java.lang.String to long
hope this fix your issue The quantity and discount are the Long values in your firebase database where in your Cart class it is declared as String. This is throwing the error. Declare the Cart class like the following.
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045237
Java - Scanner .next() doesn't read string that contains a space
Java - Scanner .next() doesn't read string that contains a space
like below fixes the issue I am trying to allow an input that is only made with characters a-zA-Z and also haves space. Example: "Chuck Norris". What happens with the code below is that the scanner input.next() doesn't allow the mentioned example inp
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045224
Set a timer for the visibility of a button
Set a timer for the visibility of a button
this one helps. you can use ScheduledExecutorService to create such a timer. Then on every tick, you can open the app if you want, and show the button, or just show the button if the user open the app. documentation is available here.
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045203
Unirest gives NoSuchMethodError when using asString method
Unirest gives NoSuchMethodError when using asString method
will be helpful for those in need It is a dependences issue, I fixed it adding a newer version of httpclient in pom. 4.5.9 which overides the 4.5.6.
TAG : java
Date : December 01 2020, 04:52 PM , By : davidpanik
Abstract Controller in Spring
Abstract Controller in Spring
wish helps you Adding Abstract to the name of the class is a simple way to designate that this class is abstract (declared as public abstract class in your case). This means that this class was developed to incorporate some common functionality which
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045163
Map an instance containing a list to a flatMap (using stream)
Map an instance containing a list to a flatMap (using stream)
wish helps you By using flatMap you can achieve this, First stream the stores list and then in flatMap stream List by mapping each DayOfWeek to OtherType.
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045162
JPanel is added onto other Jpanel on togglebutton Click
JPanel is added onto other Jpanel on togglebutton Click
fixed the issue. Will look into that further The problem is you keep creating instances of your JPanel. You could remove the JPanel if your JToggleButton is not selected and add an already created instance of your JPanel if the button is selected. Se
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045160
Mysterious " The color components or name must be specified " error in JavaFX ListView
Mysterious " The color components or name must be specified " error in JavaFX ListView
this one helps. The item property of a ListCell initially is null. Color.web does not accept null as parameter. Furthermore you need to be able to handle the fact that the item of a ListCell can be replaced during its lifecycle and that the same item
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045112
How to set up blocking asynchronous request/response in project reactor?
How to set up blocking asynchronous request/response in project reactor?
hop of those help? I arrived at a working solution, but I'm not sure if it's the best:I set up a Mono for sending the asynchronous message and merge it with a Flux that filters for a matching message. Seeing the Mono never emits values, I know the fi
TAG : java
Date : December 01 2020, 04:52 PM , By : Singh
How can i achieve the same functionality with Java 8 using streams
How can i achieve the same functionality with Java 8 using streams
To fix the issue you can do What I wanted to do was to add 10min if consecutive orders have the same postcode, otherwise, add 30 min to the journey. For example, if I have a class like the following this is how i achieve that imperatively. , You coul
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045080
How to verify a password without sending it unencrypted to a server
How to verify a password without sending it unencrypted to a server
Hope this helps The simplest way would be to use TLS https://en.wikipedia.org/wiki/Transport_Layer_Security
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045052
While fetching all links,Ignore logout link from the loop and continue navigation in selenium java
While fetching all links,Ignore logout link from the loop and continue navigation in selenium java
it fixes the issue If you want to leave out the Logout link from the loop instead of creating the List as driver.findElements(By.tagName("a")); as an alternative you can use:
TAG : java
Date : December 01 2020, 04:52 PM , By : user3045023
Issues using spring boot with MySQL database
Issues using spring boot with MySQL database
may help you . I'm trying to make a spring boot project that connects to a MySQL database but keep getting the error , Please try to use these (as you are using MySql not PostgreSQL)
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044963
Method unmodifiablelist() cannot be applied to given type
Method unmodifiablelist() cannot be applied to given type
should help you out You need to explicitly declare generic type parameters. For some reason*, it can't be inferred.
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044955
Does using the fragments lower down the load on main activity
Does using the fragments lower down the load on main activity
Any of those help Fragments are really useful. If you think about it, they are really two activities working together as one cohesive "unit".Advantages:
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044946
Cannot read resource as stream when running jar
Cannot read resource as stream when running jar
will be helpful for those in need I'm using NanoHTTPD as my app server and everything is working fine from IDE. When I'm running the same code form jar (which was generated with maven-assembly-plugin), the resources are not loaded. , Figured out the
TAG : java
Date : December 01 2020, 04:50 PM , By : sandeepnpn
JPA criteria produce a query with just a one question point
JPA criteria produce a query with just a one question point
like below fixes the issue I haven't fount a workaround of my problem and my decision is "hand-create" the query with entity manager without specification.
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044921
Upload data to the Azure ADLS Gen2 from on-premise using Python or Java
Upload data to the Azure ADLS Gen2 from on-premise using Python or Java
it should still fix some issue According to the offical tutorial Quickstart: Upload, download, and list blobs with Python, as below, you can not directly use Azure Storage SDK for Python to do any operations in Azure Data Lake Store Gen 2 if you have
TAG : java
Date : December 01 2020, 04:50 PM , By : Jeen
Netty server send a byte[] encoded by Protobuf, but C# client Socket.Receive keeps being 0
Netty server send a byte[] encoded by Protobuf, but C# client Socket.Receive keeps being 0
will help you Okay..I have finally solve it myself1.The usage "return replyBuilder.build().toByteArray()" is wrong because ProtoEncoder has already do toByteArray() for me:
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044822
How to add string at the bottom of a ScrollView
How to add string at the bottom of a ScrollView
I hope this helps . I recommend you to use ListView or RecyclerView. https://developer.android.com/reference/androidx/recyclerview/widget/RecyclerViewHowever, if you consistently want to use ScrollView cause your screen UI is simple. You can simply w
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044815
Using the instantiated collection type for Jackson deserialization instead of initializing a new one?
Using the instantiated collection type for Jackson deserialization instead of initializing a new one?
Hope this helps Found an answer using @JsonProperty:
TAG : java
Date : December 01 2020, 04:50 PM , By : Leen
Firebase Realtime Database Update Data - Android Java
Firebase Realtime Database Update Data - Android Java
it fixes the issue Your problem is that instead of storing a constant and valid key in your firebase database, every time you change your profile you create a new node. How so? Well, you do this:
TAG : java
Date : December 01 2020, 04:50 PM , By : user3044722
Move to main thread after another thread go to sleep
Move to main thread after another thread go to sleep
it should still fix some issue What you have done in your code above created a thread that runs concurrently with the main thread. What actually happens is: Main thread starts and initiates AutoUpdater thread The two threads will run concurrently. In
TAG : java
Date : December 01 2020, 04:50 PM , By : Abhishek Kumar
use of lambda and streams on nested object
use of lambda and streams on nested object
it fixes the issue A mixed approach with a for loop iteration of the collection of Employees and streaming over the assets per employee and then filtering and mapping based on the condition and to item ids respectively.
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044661
OneDrive authentication using ADAL4J
OneDrive authentication using ADAL4J
To fix this issue There are two different permissions: one is application permission, the other is delegated permission. "Delegated" permissions, which specify scope-based access using delegated authorization from the signed-in resource owner, are pr
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044654
How to get lines starting with some word from file and if no match get lines starting with another word
How to get lines starting with some word from file and if no match get lines starting with another word
Hope that helps You could group your lines by their substring and call the method getOrDefault on the generated map. Assuming that your file contains at least one line beginning with aaa or bbb something like below:
TAG : java
Date : December 01 2020, 04:47 PM , By : arvinth
Is there alternative for Java's ' byte[] decodeFile = Base64.getMimeDecoder().decode(fileBase64); ' in Python?
Is there alternative for Java's ' byte[] decodeFile = Base64.getMimeDecoder().decode(fileBase64); ' in Python?
wish help you to fix your issue I am rewriting java code in python. The code works with different files through Spring. It opens such formats as JSON, DBF, RAR, XML and converts the data into String. There is always a line in every code: , As per the
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044567
filter minimum value from custom java array list
filter minimum value from custom java array list
this one helps. You can try to do that by streaming the ArrayList like this:Java 8 and higher:
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044556
PowerMock static method mocking isn't taken into account for each @InjectMocks invocation
PowerMock static method mocking isn't taken into account for each @InjectMocks invocation
around this issue As explained in (Mocking behaviour resets after each test with PowerMock) Powermock resets the mocks before each test.For some reason it works the first time - there exists an unresolved bug report for that issue (https://github.com
TAG : java
Date : December 01 2020, 04:47 PM , By : jinbron
Spring Boot LazyInitializationException inside Transaction
Spring Boot LazyInitializationException inside Transaction
Hope that helps Ok i found the Solution, the Environment.class was injected into the DTO, which doesn't work at all. I just forgot to map the Environment.class to EnvironmentResponse.class
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044523
Getting field name as string for already defined class. Is that possible?
Getting field name as string for already defined class. Is that possible?
it fixes the issue It is not possible for Fields to get name as String of the field this way, using reflection.
TAG : java
Date : December 01 2020, 04:47 PM , By : mahi
List the largest possible cuboids inside a 16x16x16 matrix
List the largest possible cuboids inside a 16x16x16 matrix
will be helpful for those in need I expect that by "cuboid", you mean that it must be the same size in all 3 dimensions.In that case, the size of the largest cuboid with maximal point (x,y,z) can be calculated from the sizes of the largest cuboids wi
TAG : java
Date : December 01 2020, 04:47 PM , By : user3044423
Reading Int value of bytes from inputStream
Reading Int value of bytes from inputStream
it should still fix some issue How can I get the byte values which are int ?Convert int to string first
TAG : java
Date : December 01 2020, 04:47 PM , By : Shalabh Sharma
How to fix text change listener error when I implement it?
How to fix text change listener error when I implement it?
I wish this help you I think the error is that your XML code has the edit text labeled as fiftythres. In your code, you have it as:
TAG : java
Date : December 01 2020, 04:45 PM , By : user3044377
How to send XML file to ActiveMQ?
How to send XML file to ActiveMQ?
should help you out In JMS (and messaging in general) you send messages not files. You can turn your file into a message by reading the data from the file and putting into a JMS text or bytes message. The simplest solution would be something like thi
TAG : java
Date : December 01 2020, 04:45 PM , By : user3044362
@PropertyId annotation "is disallowed for this location"
@PropertyId annotation "is disallowed for this location"
should help you out The error message you're referring to happens e.g. when an annotation declared to be used on methods is instead used on e.g. a class or an instance field.@PropertyId in Vaadin is defined with @Target({ ElementType.FIELD }) which m
TAG : java
Date : December 01 2020, 04:45 PM , By : Michael
Single Ignite node does not stop TCP discovery
Single Ignite node does not stop TCP discovery
like below fixes the issue There must be a confusion of network interfaces. Try specifying 127.0.0.1:48550 instead of myNode:48550. Or you can set TcpDiscoverySpilocalAddress to myNode.
TAG : java
Date : December 01 2020, 04:45 PM , By : elzurdo87
While loop stop condition missing
While loop stop condition missing
To fix the issue you can do The parent of 0 is also 0, you could argue that it's not really its own parent, but that's how the formula works out.The root of the heap cannot be less than itself, so the loop stops there automatically.
TAG : java
Date : December 01 2020, 04:45 PM , By : user3044259
How to register a listener on a OID / Managed Object using SNMP4J to act on set or get requests the agent receives?
How to register a listener on a OID / Managed Object using SNMP4J to act on set or get requests the agent receives?
I think the issue was by ths following , I found it. I was looking at the wrong place. I thought a had to add a listener to the agent, but instead i have to add the listener to the server.
TAG : java
Date : December 01 2020, 04:45 PM , By : zaggino
maven issue with profiles
maven issue with profiles
will be helpful for those in need Bind your plugin to an earlier phase, not package, but anything before it.
TAG : java
Date : December 01 2020, 04:45 PM , By : user3044228
How to properly implement a sensor with SensorManager in a thread?
How to properly implement a sensor with SensorManager in a thread?
it should still fix some issue Outside of an Activity, getSystemService() requires Context. Pass through a Context when initialising your thread and use context.getSystemService().
TAG : java
Date : December 01 2020, 04:45 PM , By : user3044216

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