Let's step away from File IO for a minute to talk about a feature of Java we have been ignoring, but might find helpful for working with files: command-line arguments. We just successfully passed in 3 ...

Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static ...

I have previously blogged on how Groovy and ActionScript provide demonstrations of switching on Strings functionality that has not been available in Java. JDK 7 changes this for Java by ...

To complete the use case, you must convert this one-character String into a single Java char with the charAt(0) method. Java Scanner char input code example. The code to get Scanner input one char at ...