I came across a situation when i would run application in intellJ and everything runs smoothly , then i would create a jar using maven install command and try running it manually from command line, the results are the following : Command Line Questions: What is the difference between running Jar and running App in IntelliJ Why would it complain
Tag: file
How to save the matrix in the text file
I just want to input the matrix in the text file, but the result are clearly different. I don’t have any ideas. I expect but in the file is Answer You can try this: This will print the values like a table:
How to solve infinite readLine while
I have a program and one of the methods I use is for counting the lines a .txt file has and return an integer value. The problem is when I execute it, despite I wrote if my line is == null the while has to stop, the while loop keeps going, ignoring the nulls it gets infinitely. I don’t know
How do I break up words in a String ArrayList in Java and then reverse them?
The title may sound confusing. Simply, I have a file that have text inside of it. I used a scanner to read that text. I stored that text into an ArrayLists that is a String. The problem I have is that I need to make a method reverses the text in that ArrayList. The text does reverse, but not completely.
How to return the file path from the windows file explorer using Java
In my Project, I want to open the windows file explorer with java, in which you can select a file or a folder and click the “OK” button. Now I want to have the path of the selected file in my Javacode. Basically like the window which pops up in every standard texteditor after you hit the “OPEN” button to
Prevent and Detect Deletion of an Open File
My Java program opens a file and slowly writes to the file. When the operation is completed, the program closes the file and moves the file to its final resting place in another directory. The problem is that as the operation is running, another thread in the same Java program deletes the file. Windows will not allow the deletion of
How to solve the java.nio.file.NoSuchFileException?
I have a file called “result.csv”, from that file i want to read certain data and display them. I have that file in my eclipse project folder itself. Still i’m unable to read the file. OUTPUT: Can anyone point where exactly i missed? and how can i overcome this or any alternate methods for this method? Answer The problem is
What is the `it` in Kotlin lambda body?
For example in these two following codes: and In this code what does it mean? Answer it variable is an implicit parameter in lambda. One other helpful convention is that if a function literal has only one parameter, its declaration may be omitted (along with the ->), and its name will be it:
java.io.FileNotFoundException: class path resource cannot be opened because it does not exist
I am trying to set the configuration location for my Project but I keep getting the following error: java.io.FileNotFoundException: class path resource [main/resources/app-context.xml] cannot be opened because it does not exist I have my project set up like this: And I have my code set up as: How can I fix this? Answer What you put directly under src/main/java is
Open a file’s properties window using Java
This is a question only regarding Java in Windows. I need a method that will call this window: So essentially the method should be something like: So the statement: opernProperties(new File(test.txt)); should open the above window. So just to clarify, I do not want to read and manage the properties. I just want to open the properties window. Answer I