Update: To answer the performance-question raised here, I made a measurement. First thing: 20.000 lines are too few, to get the program running for a noticeable time. I created a text-file with 5 million lines. This solution (started with java without parameters like -server or -XX-options) needed around 11 seconds on my box. The same with wc … Read more
There is no built-in method, but there are several ways to do it. The most straightforward way that I can think of at the moment is: Create a subclass of JComponent. Override the paintComponent(Graphics g) method to paint the image that you want to display. Set the content pane of the JFrame to be this subclass. Some sample code: Note that … Read more
Minecraft 1.7.6 or newer (UUID) On Minecraft 1.7.6 and above, Mojang uses a new UUID format. Use a UUID lookup tool, like http://minecraft-techworld.com/uuid-lookup-tool to determine the UUID of the player you wish to reset. Make sure that the player you wish to reset is logged out of the server. Use FileZilla to connect to the server FTP. … Read more
An attribute is another term for a field. It’s typically a public constant or a public variable that can be accessed directly. In this particular case, the array in Java is actually an object and you are accessing the public constant value that represents the length of the array.
You can just go for String replace method.-
A character in Java is a Unicode code-unit which is treated as an unsigned number. So if you perform c = (char)b the value you get is 2^16 – 56 or 65536 – 56. Or more precisely, the byte is first converted to a signed integer with the value 0xFFFFFFC8 using sign extension in a widening conversion. This in turn is … Read more
If it’s already in the classpath, then just obtain it from the classpath instead of from the disk file system. Don’t fiddle with relative paths in java.io.File. They are dependent on the current working directory over which you have totally no control from inside the Java code. Assuming that ListStopWords.txt is in the same package as your FileLoader class, then … Read more
just override onCreateOptionsMenu like this in your MainPage.java
The part you’re missing is converting from the integer to the type-safe enum. Java will not do it automatically. There’s a couple of ways you can go about this: Use a list of static final ints rather than a type-safe enum and switch on the int value you receive (this is the pre-Java 5 approach) … Read more
You must use iterator.remove() instead of tableRecords.remove() You can remove items on a list on which you iterate only if you use the remove method from the iterator. EDIT : When you create an iterator, it starts to count the modifications that were applied on the collection. If the iterator detects that some modifications were made without using … Read more