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'); ...

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 ...

Character.getNumericValue (aChar) will let me convert a char into an int. I want to know how I can reverse the process and get a char from an integer? Thanks.

The UTF-8 charset implementation, which is available in all JDK/JRE releases from Sun, has been updated recently to reject non-shortest-form UTF-8 byte sequences. This is because the old ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java printf function helps simplify the task of printing formatted output to the console, ...