As per the below Code, I am getting every single details of the program as debug, which I want to get rid of. If is taking too much time when running the Application. How can I get those [DEBUG] disabled? Answer I am getting every single details of the program as debug, which I want to get rid of. ORMLite
Tag: java
org.apache.commons.fileupload.disk.DiskFileItem is not created properly?
I am trying to use the code shown in the following example: java.lang.NullPointerException while creating DiskFileItem My Test method contains the following code: The text file exists in this location but the last line in the above code does not output the file content. Any idea why? N.B. The following does p…
Java recursive Fibonacci sequence
Please explain this simple code: I’m confused with the last line especially because if n = 5 for example, then fibonacci(4) + fibonacci(3) would be called and so on but I don’t understand how this algorithm calculates the value at index 5 by this method. Please explain with a lot of detail! Answer…
How do I move my JMenuBar to the screen menu bar on Mac OS X?
When I move my JMenuBar to the screen menu bar on Mac OS X, it leaves some blank space where the menu would be in my window; I need to remove that space. I am using to move my JMenuBar to the screen menu bar. My friend who uses a Mac reports that this leaves some ugly vertical space where
Sort an array in Java
I’m trying to make a program that consists of an array of 10 integers which all has a random value, so far so good. However, now I need to sort them in order from lowest to highest value and then print it onto the screen, how would I go about doing so? (Sorry for having so much code for a
Convert a 2D array into a 1D array
Here is the code I have so far: I seem to be stuck at this point on how to get [i][s] into a single dimensional array. When I do a print(temp) all the elements of my 2D array print out one a time in order but cannot figure out how to get them into the 1D array. I am a
Pascal’s triangle 2d array – formatting printed output
I have a small assignment where I have to use a 2d array to produce Pascal’s triangle. Here is my code, and it works. There is an extra credit opportunity if I display the triangle like so: However, my spacing is not formatted like that. it simply displays the numbers all lined up on the left. its hard …
Watermarking with PDFBox
I am trying to add a watermark to a PDF specifically with PDFBox. I’ve been able to get the image to appear on each page, but it loses the background transparency because it appears as though PDJpeg converts it to a JPG. Perhaps there’s a way to do it using PDXObjectImage. Here is what I have writ…
Regex doesn’t work in String.matches()
I have this small piece of code Supposed to print but it prints nothing!! Answer Welcome to Java’s misnamed .matches() method… It tries and matches ALL the input. Unfortunately, other languages have followed suit 🙁 If you want to see if the regex matches an input text, use a Pattern, a Matcher and…
How to print all key and values from HashMap in Android?
I am trying to use HashMap in Android sample project. Now, am doing sample project for learn android. I just store keys and values in HashMap, i want to show the keys and their values in EditView. I followed below code in my sample project. But, first key and value only printing in EditView. In EditView iOS =…