Static methods can not be overridden in the exact sense of the word, but they can hide parent static methods In practice it means that the compiler will decide which method to execute at the compile time, and not at the runtime, as it does with overridden instance methods. For a neat example have a … Read more
You only need to import import javax.swing.*; for the TicTacToe.java. Edit the win if statements and delete the static definitions: Add TicTacToe ticTacToe = new TicTacToe(); to the Gui variables. Change the action listener: Delete TicTacToe ticTacToe = new TicTacToe(); from the Control. Always check your errors, you had more NullPointerException exception than you can count.
Before proceeding further with the fuss of immutability, let’s just take a look into the String class and its functionality a little before coming to any conclusion. This is how String works: This, as usual, creates a string containing “knowledge” and assigns it a reference str. Simple enough? Lets perform some more functions: Lets see how the below statement works: This appends a … Read more
An Ajax call is an asynchronous request initiated by the browser that does not directly result in a page transition. A servlet request is a Java-specifc term (servlets are a Java specification) for servicing an HTTP request that could get a simple GET or POST (etc) or an Ajax request. An Ajax (“Asynchronous Javascript and … Read more
I used vlcj and it worked smoothly. It’s java binding to vlcj player and the good thing that you don’t have to provide any drives since vlcj already includes all of them in binary distribution. Give it a go, there is example of already working player built for you!
This could happen if you are not running the command prompt in administrator mode. If you are using windows 7, you can go to run, type cmd and hit Ctrl+Shift+enter. This will open the command prompt in administrator mode. If not, you can also go to start -> all programs -> accessories -> right click … Read more
You can increase to 2GB on a 32 bit system. If you’re on a 64 bit system you can go higher. No need to worry if you’ve chosen incorrectly, if you ask for 5g on a 32 bit system java will complain about an invalid value and quit. As others have posted, use the cmd-line flags – e.g. You … Read more
The pack method sizes the frame so that all its contents are at or above their preferred sizes. An alternative to pack is to establish a frame size explicitly by calling setSize or setBounds (which also sets the frame location). In general, using pack is preferable to calling setSize, since pack leaves the frame layout manager in charge of the frame size, … Read more
For you code Change nextLine(); to next(); and it will work. to get an idea for you to what happened was this: nextLine(): Advances this scanner past the current line and returns the input that was skipped. next(): Finds and returns the next complete token from this scanner. Also like the many of the answers says use equals() instead of using == The == checks only the … Read more
Being new to Java, one of the resources you need to have on hand is the Oracle documentation pages, for example: https://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html That will guide you on what a Scanner can do. Specifically, you should look for .nextLine()