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adding sticky notes in an existing pdf using java itext or pdfbox
it helps some times I am trying to add sticky notes to an existing pdf. please help with any suggestion with itext or pdfbox. , I found the solution.
TAG :java
Date : August 05 2020, 07:00 AM , By : Crystal
How to see lines drawn in real time. Java Swing
around this issue What you are trying to do is to animate the GUI drawing, incrementally updating the image. There are several steps involved in solving this Use an animation or "game" loop to drive the animation, and this is most easily achieved usi
TAG :java
Date : August 05 2020, 05:00 AM , By : Jeff F
Problems using lambda expression
it should still fix some issue You can use Collections.sort(List list, Comparator
TAG :java
Date : August 05 2020, 05:00 AM , By : Satish Hanchinamani
How to filter a custom object list using java stream?
hope this fix your issue If you have List and you want a List which are 21 and above, you can write the following method:
TAG :java
Date : August 05 2020, 05:00 AM , By : David Smith
how can i use the trim() method to make this work? I need to read the txt file while ignoring the blank line and lines t
seems to work fine , There are some problems with your code.
TAG :java
Date : August 05 2020, 03:00 AM , By : derick
Java 8 split a list into chunk for processing and merge it back before returning result
hope this fix your issue List has a sublist(int fromIndex, int toIndex) method that allows you to get a List of just the objects within a specific range in your bigger List. You can use this to pull out Lists from your full List in intervals of 500.
TAG :java
Date : August 05 2020, 02:00 AM , By : Walter Gerez
How I can find all existing JDKs on my OS?
I wish this help you A quick and dirty way to find all JDK folders, wherever they might be, would be to just search for the file javac, which would be present in the bin/ folder of any JDK. On Linux, you may try from root:
TAG :java
Date : August 05 2020, 02:00 AM , By : Pearl7
Java ASM Bytecode Manipulation - How to inject in middle of method?
around this issue ASM has a visitor and a tree API which allows you to process a method's byte code instruction by instruction. What you would need to do would be to visit all instructions, in your case two method calls, a branching instruction, a me
TAG :java
Date : August 05 2020, 01:00 AM , By : MOHAMMED UMER Shaikh
what are the drawnbacks and risks replacing default SimpleAsyncTaskExecutor by own Executor
Any of those help Personal knowlegedment: I read from javacodegeeks: "... SimpleAsyncTaskExecutor is ok for toy projects but for anything larger than that it’s a bit risky since it does not limit concurrent threads and does not reuse threads. So to b
TAG :java
Date : August 04 2020, 11:00 PM , By : Graphicdsr
Im having trouble understanding how to pass an array to a method, and return an array list
I wish this helpful for you An ArrayList or more generally a List is nothing more than a class that implements the List interface to facilitate manipulating collections of data.In the case of ArrayList it uses a regular array (e.g. Object[]) to store
TAG :java
Date : August 04 2020, 11:00 PM , By : lenps
Maven child module in parent pom as dependency
wish of those help The parent.pom can't contain any java code, only Maven specifics e.g. See: https://howtodoinjava.com/maven/maven-parent-child-pom-example/parent-contentMaybe tell us, what you want to achieve.
TAG :java
Date : August 04 2020, 11:00 PM , By : Rohan Shah
Why Are No Duplicates Allowed An Attribute Of HashSet?
I wish this helpful for you Because it is a well known attribute of Set, the first line of the linked JavaDoc reads
TAG :java
Date : August 04 2020, 10:00 PM , By : Manaka Wisdom
What is the expected runtime of a while loop that relies on a coin flip?
will be helpful for those in need Calculating complexity is often complicated when you have probability. But you were right, it was O(1), but not exactly O(1). O(1) is defined as constant, which means that no matter what you input, the run time would
TAG :java
Date : August 04 2020, 10:00 PM , By : Michals
Is there a way to always execute a function before and after all methods of a class in Java?
it should still fix some issue You can use an “Execute Around” idiom with the timing surrounding your method call:
TAG :java
Date : August 04 2020, 10:00 PM , By : HeavyButterfly
Using recursion to write a method that creates a path in Java
To fix the issue you can do I wrote a method called "createPath" which takes an integer and a string as parameters. It should work like this: , You do not need so many if-else.
TAG :java
Date : August 04 2020, 09:00 PM , By : codemanic
How can we execute WebUI feature file against multiple browsers using parallel runner or distributed testing?
this will help Use a Scenario Outline and the parallel runner. Karate will run each row of an Examples table in parallel. But you will have to move the driver config into the Feature.Just add a parallel runner to this sample project and try: https://
TAG :java
Date : August 04 2020, 09:00 PM , By : Junk Newman
why i'm getting heap space error in java?
this one helps. You keep inserting copies of processed elements to the back of the same list which you are reading. So after you done processing of the original elements you start to process their copies, then copies of their copies, etc. This never
TAG :java
Date : August 04 2020, 08:00 PM , By : Duanyang Jing
Java Number Format Exception for Input Strings with Only Digits
will be helpful for those in need What's causing the error is that the number you are trying to parse, 10104102103, is bigger than the maximum possible value for an int, 2147483647.It is within the range for a long, so you could use:
TAG :java
Date : August 04 2020, 06:00 PM , By : toliman
IMB PCF agent returns error while inquiring channel status
around this issue 2100 (MQRC_OBJECT_ALREADY EXISTS) is indeed a problem with creating a dynamic queue.
TAG :java
Date : August 04 2020, 04:00 PM , By : DemetriusXVII
Java EE 7 batch API (JSR-352): it's possible to stop a single step and not all the job?
To fix the issue you can do You can have a list of transition elements inside the first step, instead of the next attributem, to direct the execution flow of the job depending on the exit status (the return value from the batchlet). Somethig like the
TAG :java
Date : August 04 2020, 03:00 PM , By : Randall Williamson
Java multithread example - is object shared or not
may help you . I have a question about the following example. We have a main class which has to download many files from web server and DownloadTask who does the job. There is an object saveTo in Main.java who is overwriten every loop. This object is
TAG :java
Date : August 04 2020, 03:00 PM , By : Furman Daniel
Why String's replaceAll() method come at high performance cost at the first time and faster at the next time?
seems to work fine Usually it doesn't cause a meaningful performance impact unless used in weird and unusual ways. In a normal use case (let's say web request) it will disappear under things like network latency and other things that take way more ti
TAG :java
Date : August 04 2020, 03:00 PM , By : Stephen Cerda
Lua script coverts empty array to object
will be helpful for those in need The main difference between JSON object definition and lua table, that lua table has no type array.Empty JSON array [] or object {} is converted to lua table {}, but empty lua table {} can be converted to array [] or
TAG :java
Date : August 04 2020, 01:00 PM , By : DanielHe
Doesn't Access to external storage in API-29
hope this fix your issue On Android 10 file paths outside of your App's private directories are worthless by default, you can temporarily enable requestLegacyExternalStorage until Android 11 (which is now out in preview)See https://developer.android.
TAG :java
Date : August 04 2020, 11:00 AM , By : Muhammad Haris
How to add a button to the Android system navigation bar?
hope this fix your issue In general: No. There's not an API for this, only the OS can control the navigation area. Consider also the problems you'd run into with the variety of system navigation styles available, many of which, like gesture navigatio
TAG :java
Date : August 04 2020, 10:00 AM , By : lpasz
If inside for-each-loop to Stream
seems to work fine You're on the right track. First invoke stream() and then filter and then findFirst() and then Optional.get(). Like,
TAG :java
Date : August 04 2020, 08:00 AM , By : Natalie Arabadzhiysk
Shift array to the right by one slot
around this issue When you are going to shift elements to the right, you can't walk through the array from left to right since you would overwrite values on the next array spot. I also noticed you wrote "i < elements.length - 1". You probably shouldn
TAG :java
Date : August 04 2020, 08:00 AM , By : J.Park
How to setup a Java development environment for Z3
should help you out Z3 is a C++ application with Java bindings. Start by downloading the native distribution, Ubuntu in our case (similar approach should work for macOS), from https://github.com/Z3Prover/z3/releases , for example: z3-4.8.7-x64-ubuntu
TAG :java
Date : August 04 2020, 08:00 AM , By : timdrivendev
how to make notify() works properly with wait()
it fixes the issue 1) You call wait without checking whether or not the thing you are waiting for has already happened. If you wait for something that has already happened, you will wait forever because notify will not be called again.2) You call sle
TAG :java
Date : August 04 2020, 07:00 AM , By : Erwin
IllegalFormatConversionException d != java.lang.Integer when trying to printf date?
this will help The issue is that the number before the $-sign indicates the absolute index (starting with 1! ) of the Object. You intended to point at the Date (Index 7) but pointed at the first element instead, which happend to be an Integer. You'll
TAG :java
Date : August 04 2020, 07:00 AM , By : Leo
Duplicate logic in backend and frontend with Domain Driven Design
help you fix your problem You need to be pragmatic about these things. Front-ends need to ensure that the user experience is acceptable at the very least and at times there may be duplication of functionality to keep the UX smooth and reasonable.Anot
TAG :java
Date : August 04 2020, 07:00 AM , By : Ranmal Nanayakkara
How would I randomize an int[][]?
will help you board is a 2-dimensional int[][] but RandomizeArray expects a 1-dimensional int[]. You'll need to change RandomizeArray to work in two dimensions.
TAG :java
Date : August 04 2020, 06:00 AM , By : vital_asbo
StringDate to Date coming in different Time in SimpleDateFormat in java
wish helps you First, for most purposes don’t convert a date and time from one string format to another. In your program keep date and time as proper date-time objects, not strings. When you accept string input, parse it first thing. Only when you ne
TAG :java
Date : August 04 2020, 04:00 AM , By : BKARKI
Get content uri from file path in android for video
I wish this helpful for you know the absolute path of a video (say for eg, /sdcard/abcd.mp4). Is there any way to the content URI for this file? , try this code
TAG :java
Date : August 04 2020, 03:00 AM , By : Melissa Tétreault
function param issue in Scala 11, works in Scala 12 using resilience4j
I hope this helps . In Scala 2.11 you need -Xexperimental compiler option to support passing lambdas as SAM types such as java.util.function.Supplier. In 2.12 it's enabled by default. You can either add this option, or add scala-java8-compat dependen
TAG :java
Date : August 04 2020, 02:00 AM , By : Derek
Android unit testing : calling a method from fragment which uses context
I hope this helps you . Unit test should run separately from Android framework. The best practice is to separate bussiness logic to be independent from Android so it can be Unit tested.If you want to test Android-specific stuff, look up "Android Inst
TAG :java
Date : August 04 2020, 02:00 AM , By : Temitayo Timothy Tem
How to remove E notation from Double value
should help you out Good Day, , you can use a decimal formatter as shown below
TAG :java
Date : August 04 2020, 01:00 AM , By : APruitt
Check if input is any of the values in an array
hope this fix your issue I want to be able to check if the string input matches any of the strings in array, and then run only if it matches any of the strings. , Try this:
TAG :java
Date : August 04 2020, 12:00 AM , By : abas.es
DateTimeParseException - could not be parsed at index 0
seems to work fine You need to provide a Locale that uses the language used by the date String. Otherwise, the formatter will take the system default locale.See this example:
TAG :java
Date : August 04 2020, 12:00 AM , By : Dmitry Naumchuk
How to make a Java HTTP async request?
should help you out Thank to @Thilo's hints, I got the behavior I was looking for. What I had in mind before was something more like javascript, where you chain up your fluent calls and move ahead. In Java, you trigger the calls and later on, when yo
TAG :java
Date : August 04 2020, 12:00 AM , By : Malini Rengaswamy
Make Javafx/Scenebuilder recognize tagged fields and methods when splitting the MainController into multiple files?
Hope this helps One FXML file can only have one Controller so @FXML will only be recognized in that one controller. If you wish to split up the code then have to get all the javafx elements in the controller and then pass them like normal java object
TAG :java
Date : August 04 2020, 12:00 AM , By : Daniel
Why does this time fail to be parsed by DateTimeFormatter.ofPattern()?
fixed the issue. Will look into that further You are using a specifier for 24 hour format (and saying AM there at 0700). Use hh instead of HH. Like,
TAG :java
Date : August 03 2020, 10:00 PM , By : Joe
Java - Merge objects of list given a condition
Does that help I uttlerly convinced that my question its quite simple but im unable to do it with streams (if there is a way to do it without stream will be helpfull too) Suppose that we have this list of users , You can create a key class containing
TAG :java
Date : August 03 2020, 10:00 PM , By : meinephd
How to know if arraylist contains value in property of object?
this will help I want to find if the property numb in the ArrayList grids contains a certain value or not. Then I want to get the index of the entry that contains that value. , You can achieve it with streams
TAG :java
Date : August 03 2020, 09:00 PM , By : iamlegolas
Java modelling class if objects have same properties but they are fundamentally different
around this issue Are they fundamentally different? Based on your description, it doesn't sound like it. Yes, logically the way you and I might think about credit and debit cards, they are fundamentally different.But you need to differentiate between
TAG :java
Date : August 03 2020, 08:00 PM , By : GauthamM
False Positive and False Negative
I wish this help you A false positive in general is when something is detected (i.e. "positive") when it's not there (i.e. "false").A false negative in general is when something is not detected (i.e. "negative") when it is really there.
TAG :java
Date : August 03 2020, 08:00 PM , By : S.Moss
Java UnknownFormatConversionException = ','
I hope this helps . Could you guys help me find the location of the error?
TAG :java
Date : August 03 2020, 06:00 PM , By : MegaCj1919
Apache POI recording only 1 row in the spreadsheet
Hope this helps Currently you are getting only the 0th element.You need to iterate the below with a for loop
TAG :java
Date : August 03 2020, 06:00 PM , By : Nur Diana
Getting Constructor from Java Class that would be called for argument types, not requiring exact argument & paramete
this will help Is there any way in Java (or in a Java library) to get the Constructor from a Class that would be called for the given arguments / argument types (not requiring exact argument parameter type matches, instead including supertypes)? , Y
TAG :java
Date : August 03 2020, 04:00 PM , By : reindeer_su
@JsonIgnore with Conditions
this one helps. Is it possible to serialize a JSON response while excluding some elements based on If conditions? , You could use custom Jackson serializer.
TAG :java
Date : August 03 2020, 04:00 PM , By : A. S.
Does synchronizing on the static field that you are modifying make your code thread safe?
I hope this helps you . Does synchronizing on the static field that you are modifying make your code thread safe?
TAG :java
Date : August 03 2020, 03:00 PM , By : spwold
Compiler errors while trying to make a pop up
Hope that helps In that line, you're trying to cast cloesButton to be a java.lang.object, and then call the method MatteBorder on the resulting casted object. There are two problems. The first is that you're trying to cast it to something that doesn'
TAG :java
Date : August 03 2020, 02:00 PM , By : automationIT
Trying to take two timestamps, subtract them, convert the difference to seconds and store in an int variable
it helps some times Are you using Java 8?If so you could convert to Instants and get the Duration between them:
TAG :java
Date : August 03 2020, 02:00 PM , By : i'mpotent
How can I use Optionals instead of nested if statement?
this will help Not clear what you're trying to achieve but if send and receive were Optional objects you could do something like this:
TAG :java
Date : August 03 2020, 02:00 PM , By : alexzondor
How do I compare values in parallel arrays to eliminate duplicates?
Hope that helps The logic behind the code looks fine. I think you simply made a little typo in the latter for loop. I think the condition in the if statement should read
TAG :java
Date : August 03 2020, 02:00 PM , By : Casey Chadwick
make a method which returns the number of one digit numbers in an array
may help you . I’m trying to make a method which will find the amount of one digit numbers in an array and return the value for example if my array is [1,22,3,4,55,66,5] it will return 4 because there is 4 one digit numbers and is in java , because I
TAG :java
Date : August 03 2020, 01:00 PM , By : electriclady
Does calling multiple times save() method of hibernate with same object insert new record in DB?
should help you out It depends on the object's state. If you create a new object each time, new object is in the transient state: it is not mapped to a database record and not managed by any persistence context. So, calling Hibernate's save() method
TAG :java
Date : August 03 2020, 10:00 AM , By : Mindy Tchieu
Single Number solving by Haspmap, return always be a "@"
fixed the issue. Will look into that further This is a question from leetcode. Leetcode - Single Number I.
TAG :java
Date : August 03 2020, 08:00 AM , By : Derek
What do you do about the JLabel classes? It says, "JLabel not a statement" for the error
Any of those help It's not about the JLabel class. It is about the variable names. In java variable names can't start with numbers. That is why your code fails.Source:
TAG :java
Date : August 03 2020, 04:00 AM , By : J. Crain
Functional Interface call for a new Instance
wish helps you I need to write a functional interface call for a new instance of a dynamic object.
TAG :java
Date : August 03 2020, 03:00 AM , By : Stay Woke

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