The SourceVersion class provides information on Java source versions and can provide some interesting details, including demonstration of terminology covered in the Java Language Specification. In ...

Though Java already has a character type and char keyword to represent and manipulate characters, the language also requires a Character class for two reasons: Character c1 = new Character ('A'); ...

Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a string ...

I'm working up a new project for my High School CompSci students. In honor of the centenary of the sinking of the Titanic, I'm having them program a text -> Morse Code generator, and have them output ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

A few years ago I wrote a Soduko solver in Java. Works great, except I have to edit the source file to change the input because I could never get Swing to work like my mental model said it should. Cut ...

Java programs without a graphical user interface use a computer's command line to interact with the user. It is vital that the program's command line output is properly formatted and spaced so that it ...