Using insertion sort for descending order?
To sort in descending order, you only need to change the comparison: Note the < instead of >.
Java
make a JLabel wrap it’s text by setting a max width
No. You can use HTML in the label, but then you must hard code the break tag. A better approach is to use a JTextArea and turn wrapping on. You can change the background,foreground, font etc. of the text are to make it look like a label. Note, this answer is outdated as of at … Read more
When should you use multithreading? And would multi threading be beneficial if the different threads execute mutually independent tasks?
Q: When should you use multithreading? A: “Your question is very broad. There are few non-trivial systems where the functionality can be met simply, quickly and reliably with only one thread. For example: [pick out a typical system that the target company sells and pick out a couple aspects of its function that would be … Read more
How to cast ArrayList<> from List<>
When you do the second one, you’re making a new arraylist, you’re not trying to pretend the other list is an arraylist. I mean, what if the original list is implemented as a linkedlist, or some custom list? You won’t know. The second approach is preferred if you really need to make an arraylist from … Read more
The target type of this expression must be a functional interface in MethodReferences
Because that’s a method reference, the usage is a bit different: The argument that the consumer takes (s) will be still passed to the println method. here is Oracle’s tutorial on this.
syntax error: insert } to complete ClassBody
You really want to go to the top of your file and do proper and consistent indention all the way to the bottom. For example… Odds are, somewhere along the line, you are missing a }. Your description isn’t super clear, but if the code you posted is how you actually have it formatted in … Read more
Is there any way to program Java on Visual Studio 2015
Java Language Support extension provides basic features for the Java programming language. Current editing features include: Syntax highlighting and brace matching Outlining support for quickly collapsing classes and functions Dropdown bars listing classes, enums, interfaces, fields, and methods within the current document
Java 3D Game Engine?
Have you looked at the Lightweight Java Game Library yet? It sounds like what you’re looking for.
void is an invalid type for this variable
Your onRadioButtonClicked is contained within your onCreate method—make them separate methods. Add a closing brace } after:
Understanding BufferedImage.getRGB output values
getRGB(int x, int y) return you the value of color pixel at location (x,y).You are misinterpreting the returned value.It is in the binary format. like 11…11010101 and that is given to you as int value.If you want to get RGB (i.e. Red, Green, Blue) components of that value use Color class. e.g. Then you can … Read more