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JAVA QUESTIONS

Read HTTP POST from mobile in java
Read HTTP POST from mobile in java
around this issue You may have to explicitly set the content type of the input post body you send to the server. This can be achieved as follows:
TAG : java
Date : November 11 2020, 09:01 AM , By : Prashanth
Design a Java POJO with lazy loading property
Design a Java POJO with lazy loading property
may help you . I have been argued that in this way my User object is not a simple pojo
TAG : java
Date : November 11 2020, 09:01 AM , By : Payara
How can I send my friend this .jar file?
How can I send my friend this .jar file?
This might help you The image must be inside the src folder.Put it inside the src folder, refresh the project in Eclipse and use
TAG : java
Date : November 11 2020, 09:01 AM , By : Valentin Dobrota
How does Bungeecord/Lilypad send players to other servers
How does Bungeecord/Lilypad send players to other servers
Any of those help You answered your own question. Both Bungeecord and LilyPad are proxy server networks.Though a server cannot redirect the client to another server without permission, the server can connect to another server (meaning the first serve
TAG : java
Date : November 11 2020, 09:01 AM , By : user4571636
JDBC executeQuery showing Error without reason
JDBC executeQuery showing Error without reason
help you fix your problem You're missing a space after the int, and you don't need a semicolon in the query. Something like,
TAG : java
Date : November 10 2020, 09:01 AM , By : Jarek Zelinski
Can KeyAgreement be used without AlgorithmParameterSpec?
Can KeyAgreement be used without AlgorithmParameterSpec?
Hope that helps So it turns out I had the answer right there in front of me in the Android Studio debugger. Upon inspecting PrivateKey object I found internal member privateKey.ecSpec which contains all the details of selected curve. So passing argum
TAG : java
Date : November 10 2020, 09:01 AM , By : Sandeep
In Java , How do I obtain the last number from a file?
In Java , How do I obtain the last number from a file?
it helps some times The reason your error is being thown in because the last byteyou are trying to convert to an integer is not that last integer from the file you want, but the '\n' at the end of the file.To get the last line you could loop through
TAG : java
Date : November 10 2020, 09:01 AM , By : vishal vyas
Need to check if if number is aggregated number or not
Need to check if if number is aggregated number or not
around this issue I think the key is to examine the correct permutations of the first two numbers:1) length of the first number should not exceed half of the length of the entire number
TAG : java
Date : November 10 2020, 09:01 AM , By : Igor Romanov
Why is my program having a longer runtime, when it should have a shorter one?
Why is my program having a longer runtime, when it should have a shorter one?
I hope this helps . First of all, you're still doing linear amount of operations — your matrix power calculation is O(N). To achieve better performance you need to reimplement power function, so it'll be logarithmicMoreover, on small values of N perf
TAG : java
Date : November 10 2020, 09:01 AM , By : Christoph Marbach
CXF Client Configuration: Why are the WSA Elements not being added to my request?
CXF Client Configuration: Why are the WSA Elements not being added to my request?
wish of those help Because the addressingFeature is not added beforefactory.create() is called, the wsAddressingFeature needs to be initialized to the client bus.I added this lined of code to the configureWSASecurity method:
TAG : java
Date : November 10 2020, 09:01 AM , By : Paul
android.view.InflateException: Binary XML file line #9 error inflating class com.hamweather.aeris.maps.AerisMapView
android.view.InflateException: Binary XML file line #9 error inflating class com.hamweather.aeris.maps.AerisMapView
this one helps. The problem you're running into is that there is a resource (probably a string) missing, as indicated by the Resources$NotFoundException that's being reported in the mapping library. Have you set your aeris_client_id and aeris_client_
TAG : java
Date : November 10 2020, 09:01 AM , By : Newuser
Which object is best for doing time manipulation
Which object is best for doing time manipulation
wish help you to fix your issue java.time in Java 8+ In Java 8+, you could use java.time.Duration (and perhaps java.time in general). Something like,
TAG : java
Date : November 10 2020, 09:01 AM , By : Abhinav Chopra
Android - How to set margins programmatically in gridlayout
Android - How to set margins programmatically in gridlayout
wish helps you A view's layoutParams is for its parent to use, not itself. So a gridLayout's layoutParams shouldn't be a GridLayout.LayoutParams because its parent is not a GridLayout.Try replacing
TAG : java
Date : November 10 2020, 09:01 AM , By : S Horaib
LWJGL hangs when loading PNG image using Slick2D TextureLoader
LWJGL hangs when loading PNG image using Slick2D TextureLoader
it should still fix some issue As it turns out, Slick2D is not compatible with GLFW on OS X. Because of this, I had to use the stb binding, which is LWJGL 3.0's STBImage, org.lwjgl.stb.STBImage.Here's the code that I use
TAG : java
Date : November 10 2020, 09:01 AM , By : Albert
Persitant/static login credentials in android app?
Persitant/static login credentials in android app?
wish helps you To do this, you would use AccountManager along with your implementations of AbstractAccountAuthenticator and AccountAuthenticatorActivity.Disclaimer: I do not recommend attempting this if you are a beginning Android programmer.
TAG : java
Date : November 10 2020, 09:01 AM , By : Piz Wang
String to char array with space complexity O(1)
String to char array with space complexity O(1)
around this issue There is one possible way of doing this, but it is NOT AT ALL RECOMMENDED. You can use Java Reflection API to get the private field value from the string class which is thy type char[] and then get that field's value for an object.
TAG : java
Date : November 10 2020, 09:01 AM , By : Lukas Macha
Print all numbers whose nonzero digits are in ascending order
Print all numbers whose nonzero digits are in ascending order
this one helps. I'm trying to write a program which takes as arguments a number of digits and a base, and counts upward through the numbers that have their nonzero digits in ascending order. For instance, in base 4 with 3 digits, it should print: , L
TAG : java
Date : November 10 2020, 09:01 AM , By : Savu Rajkumar
How to enable LDAP connection for MySQL using java?
How to enable LDAP connection for MySQL using java?
fixed the issue. Will look into that further According to the MySQL 5.5 manual, the way to get different MySQL roles for different users depending on their LDAP group membership is to use the PAM authentication plugin's proxy user mechanism. The manu
TAG : java
Date : November 10 2020, 09:01 AM , By : Thilak
Java - Is it possible to send a client to another server?
Java - Is it possible to send a client to another server?
this will help I'm working on a ServerSocket with java, and I would like to know, upon a client connecting, is it possible to send the Client/Socket to another ServerSocket. For example a client connects to 123.41.67.817(Just a random IP) and upon co
TAG : java
Date : November 10 2020, 09:01 AM , By : Marcel
Getting Permission denied (publickey). when starting hadoop cluster on AWS
Getting Permission denied (publickey). when starting hadoop cluster on AWS
hop of those help? The problem was i created a new user i.e. hduser and then configured hadoop in it. I did all the setup(hadoop configuration) in Ubuntu user(default for ec2 Ubuntu instances) and it worked. I think its better to use default users's
TAG : java
Date : November 10 2020, 09:01 AM , By : saikat das
Increased cipher length in Integer array AES encryption
Increased cipher length in Integer array AES encryption
around this issue (AES) Encryption works directly on bytes. It doesn't know anything about how big your image is or how it is encoded. That's what you have to think about. If you have a 512x512 pixel image, then you should think about how it is repre
TAG : java
Date : November 10 2020, 09:01 AM , By : bharockz
Is it possible to synchronize two threads over shared Remote Object?
Is it possible to synchronize two threads over shared Remote Object?
hope this fix your issue No. The stub object at the client is not the same Java object as the remote server in the server host, and synchronizing on it or notifying it doesn't magically propagate across the network to the server or to other clients.T
TAG : java
Date : November 10 2020, 09:01 AM , By : Manju C Nair
Homework Help Regarding Calculation of PI
Homework Help Regarding Calculation of PI
like below fixes the issue In the big picture, I think the biggest issue you need to work on is variable scope. It does not make sense to pass in to calculations variables like wins, xCoordinate, and yCoordinate. These should be local variables decla
TAG : java
Date : November 10 2020, 09:01 AM , By : Achraf
ArrayIndexOutOfBoundsException: 15
ArrayIndexOutOfBoundsException: 15
Does that help You need i < array.length - 5 because you have an inner loop that scans ahead by five. Something like,
TAG : java
Date : November 09 2020, 09:01 AM , By : user23456677
Use Reflection to invoke a public method
Use Reflection to invoke a public method
I wish this helpful for you I'm writing an API and I ran into an issue with using reflection. What I want to do is call a method from a custom object class and return the value to the spot called. The start of the call occurs in the MainActivity.java
TAG : java
Date : November 09 2020, 09:01 AM , By : Developer
error when calling a static method from actionPerformed but no error if called from static void main
error when calling a static method from actionPerformed but no error if called from static void main
around this issue mostrarTablas declares java.lang.Exception to be thrown. Surround call to it with a try block that catches Exception.You can call it from main, because it has: "throws Exception".
TAG : java
Date : November 09 2020, 09:01 AM , By : Antoine Olbrechts
Two classes, same code, one gets StackOverflow
Two classes, same code, one gets StackOverflow
To fix this issue Ok, I already figured out what it was, the run configs. were set with a bigger Stack for one class, it took me a while to notice! a lot to everyone who helped!
TAG : java
Date : November 09 2020, 09:01 AM , By : Emma
Regex to dynamically replace text in java
Regex to dynamically replace text in java
To fix this issue What I am trying to do is make something like: , Don't have tested it but you could try
TAG : java
Date : November 09 2020, 09:01 AM , By : XXX
Linux shell script for calling Java program with arguments
Linux shell script for calling Java program with arguments
Does that help I am considering that $EXEC is java executable, $1 is your JAR, $CLASS is your main class. In this case just append ${@:2} to the end of the line:
TAG : java
Date : November 09 2020, 09:01 AM , By : Alexander Winter
How and Where can a declaration go so it can be used by two methods in Android Studio
How and Where can a declaration go so it can be used by two methods in Android Studio
may help you . It is common practice in Android to instantiate any Views within the onCreate, or where you inflate the main content view.So, make a field inside of MainActivity like so
TAG : java
Date : November 09 2020, 09:01 AM , By : Gurinderpal Singh
getting substring regex java
getting substring regex java
Hope this helps Instead of using a regular expression, you should use JSoup when dealing with HTML.
TAG : java
Date : November 09 2020, 09:01 AM , By : Fundor333
How can I pass an Object of a class that has nested classes within it to an Activity?
How can I pass an Object of a class that has nested classes within it to an Activity?
To fix the issue you can do This can be achieved by changing your class so that it implements either Serializable or Parcelable. You can then add the object to a Bundle, and retrieve it from the intent you use to start the new activity.
TAG : java
Date : November 09 2020, 09:01 AM , By : Dario
Hibernate cannot obtain session anymore after enabling @EnableGlobalMethodSecurity
Hibernate cannot obtain session anymore after enabling @EnableGlobalMethodSecurity
Does that help In the end I found a solution mainly because of this SO post: Spring Hibernate - Could not obtain transaction-synchronized Session for current thread. The author concludes:
TAG : java
Date : November 09 2020, 09:01 AM , By : chapulin
Extracting from a string array in Java
Extracting from a string array in Java
I hope this helps you . Because you only need one character, you should use charAt() instead of substring. Although substring is possible, I always forget which parameter is inclusive or exclusive. I think you will too.You should declare 2 chars:
TAG : java
Date : November 09 2020, 09:01 AM , By : murali krishna
Android App. Create checkbox from a text field
Android App. Create checkbox from a text field
fixed the issue. Will look into that further You usually need to add view content in the file located under res/layout/R.layout.activity_main.xml From there you can add all the view you need in your layout. Here is an example layout from the android
TAG : java
Date : November 09 2020, 09:01 AM , By : Aya Mohamed
Add items into a "class" List java
Add items into a "class" List java
seems to work fine In Java, you would create a constructor in Item that takes name and cat.
TAG : java
Date : November 09 2020, 09:01 AM , By : Kawaiidesu
I'm having trouble sorting this unsorted array
I'm having trouble sorting this unsorted array
it fixes the issue You need to set the sizes based on indexes. Since you pass a.length for high, then high is really an ending index.Allocate a1 and a2 fix:
TAG : java
Date : November 09 2020, 09:01 AM , By : Fraye
Split Information in file and read them
Split Information in file and read them
like below fixes the issue You could use .next() to get the first name and the last name, and .nextLine() right after to get the rest of the line, like this:
TAG : java
Date : November 09 2020, 09:01 AM , By : Vandit Patel
Custom JComboBox not closing when clicked twice
Custom JComboBox not closing when clicked twice
I think the issue was by ths following , Just as the title suggests, I am creating a custom JComboBox, and the custom BasicComboPopup does not hide when I write popup.hide(); Also if you guys know of a simpler way of making a JComboBox that shows abb
TAG : java
Date : November 09 2020, 09:01 AM , By : jespev
Repeatedly calling getter in for-loop condition
Repeatedly calling getter in for-loop condition
Does that help Assuming that this.size is not final, the two loops have different semantics: The first loop will not react to changes in size done inside the loop; it will execute as many times as required by cSize variable. The second loop will reac
TAG : java
Date : November 09 2020, 09:01 AM , By : Bhojaraj Sahu
Score keeping for a basic Minecraft plugin
Score keeping for a basic Minecraft plugin
may help you . Minecraft has some config file class: FileConfiguration and YamlConfiguration, so I think you don't need to use java.io.*, and realy needn't to worry about file writing.
TAG : java
Date : November 09 2020, 08:00 AM , By : rajuamet
Collectors lambda return observable list
Collectors lambda return observable list
will help you ObservableLists are created with the static factories from the FXCollections class.You could do the following, which first collects the stream into a List and then wraps it inside an ObservableList.
TAG : java
Date : November 09 2020, 08:00 AM , By : Executor
Find relevant parts in a collection of strings
Find relevant parts in a collection of strings
With these it helps Here is a little hack, I do not say it is optimal nor nothing but it could be interesting to follow this path if no other option is available:
TAG : java
Date : November 09 2020, 08:00 AM , By : Mohammed Xenon
plot graph and find maximum value
plot graph and find maximum value
should help you out You seem to not have too much experience with programming so I tried to create a small example. You said you want to get the data from excel, as I do not know how to read excel in python I assume you can create a csv file for your
TAG : java
Date : November 09 2020, 08:00 AM , By : Jim Tryon
Error in output on converting 2D String array to 1D String array
Error in output on converting 2D String array to 1D String array
This might help you For a practice problem for my programming class we have: , Because of this line;
TAG : java
Date : November 09 2020, 08:00 AM , By : Aayush Kansal
Exporting Java project as runnable Jar: not doing anything
Exporting Java project as runnable Jar: not doing anything
hope this fix your issue Most likely the images are not being packaged into the jar. Or they are not being loaded. One way to deal with loading resources is using the Toolkit like this: setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().get
TAG : java
Date : November 09 2020, 08:00 AM , By : Siarhei Tsitsenkou
BinarySearchTree insert method
BinarySearchTree insert method
it helps some times There are a few problems with this code: You mixed up the recursive implementation with the iterative one. When using recursion as you do by calling "insert(data)" inside the function "insert" you do not need the "while" loop When
TAG : java
Date : November 09 2020, 08:00 AM , By : Praveenkumar
How to take certain values from an array and add them, then add that value to a second array?
How to take certain values from an array and add them, then add that value to a second array?
may help you . Well what you need is a second array empty and just a correct algorithm to make this work. Here we just loop over the five next ints and add them to the same index from the second array. Solution
TAG : java
Date : November 09 2020, 08:00 AM , By : Justice Shivambu
AndroidPlot xml not rendering in Android studio
AndroidPlot xml not rendering in Android studio
seems to work fine To start, you definitely don't want to have the jar in your libs dir while at the same time including it as a Gradlee dependency. I'd suggest sticking with just the Gradle dependency.As to your question, Configurator doesn't always
TAG : java
Date : November 09 2020, 08:00 AM , By : RedCoat
Why won't enter the "if"?
Why won't enter the "if"?
should help you out Your problem is that it probably is entering into the if, you just aren't returning the result. I imagine something like this will work.
TAG : java
Date : November 09 2020, 08:00 AM , By : paardhimegha21
Are Prepared Statements JDBC JAVA requests similar to those of PHP?
Are Prepared Statements JDBC JAVA requests similar to those of PHP?
hop of those help? JDBC PreparedStatement is similar (but not identical to) PHP PreparedStatement, when using JDBC bind parameters (parameterIndex) is an int. See Using Prepared Statements and the PreparedStatement Javadoc. Assuming you have a Connec
TAG : java
Date : November 09 2020, 08:00 AM , By : Gionata Pastorin
Java JPanel clear
Java JPanel clear
around this issue You should be doing all of your rendering in the paintComponent method. This is how to old shapes get removed (on repaint).To do your animation / creating new circles, you should use a javax.swing.Timer instead of Thread.sleep
TAG : java
Date : November 09 2020, 08:00 AM , By : Arun Selva Suresh
Return first row that starts with a certain string
Return first row that starts with a certain string
should help you out I'm trying to create a method that returns the first row that starts with "Bob". I think I have it down, but it doesn't seem to print anything. , It needs to be
TAG : java
Date : November 09 2020, 08:00 AM , By : vinod kumar
Trouble Interpreting a Line of Code
Trouble Interpreting a Line of Code
I think the issue was by ths following , Let's say you have a variable named variableName. And let's say that variable was a string.The .toCharArray() will take your variable, your string, and turn it into an array of individual characters. Those cha
TAG : java
Date : November 09 2020, 08:00 AM , By : Tatang Pepe
Java SQL null object throws MySQLIntegrityConstraintViolationException and not customized exception
Java SQL null object throws MySQLIntegrityConstraintViolationException and not customized exception
This might help you The answer is simple: The validateTask method does nothing because you have explicitly allowed nulls when validating the TITLE property:
TAG : java
Date : November 09 2020, 08:00 AM , By : Nithin
Trying to use a while loop to keep looping until user puts in n (Java)
Trying to use a while loop to keep looping until user puts in n (Java)
To fix the issue you can do I'm trying to use a while loop to keep on asking the user if they want a certain row of the pascal's triangle. I don't know where to put my while loop. , You should try something like this.
TAG : java
Date : November 09 2020, 08:00 AM , By : Eigra Yor Nosaj Sala
ListView crashes, can't handle holder class
ListView crashes, can't handle holder class
Hope that helps I actually found an answer with a colleague of mine.http://www.lalit3686.blogspot.in/2012/06/today-i-am-going-to-show-how-to-deal.html
TAG : java
Date : November 09 2020, 08:00 AM , By : content reach
Wildfly Failed to create netty connection
Wildfly Failed to create netty connection
With these it helps I'm have Wildfly AS setup on my raspberry pi 2, I added a HornetQ using this cmd: , I solved this buy setting:
TAG : java
Date : November 08 2020, 09:00 AM , By : vikram
user input run time android
user input run time android
I wish did fix the issue. I am trying to build a simple converter code(convert feet to mtr) in Android. I am able to do this but only when user clicks some button. Now I want to modify it such that it starts to convert as and when the user gives inpu
TAG : java
Date : November 08 2020, 09:00 AM , By : recelis lui
Android: Initialize a socket only once durin app lifecycle
Android: Initialize a socket only once durin app lifecycle
it should still fix some issue Although Android Applications start from an Activity, there is the Application class in Android which you can extend and implement your code there. This will be accessible throughout the whole Application. See below cod
TAG : java
Date : November 08 2020, 09:00 AM , By : Sandhya Muralidharan

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