Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

The correct way to convert a String to long in Java is to use the parseLong(String x) method of the Long wrapper class. The following String to long example program converts the text String 90210 to a ...

This used to work fine. I'm using eclipse and it's NOT telling me there is a problem with using these methods. I can even compile fine with ant but whenever I actually run the code I get a java ...

Interestingly, there is no method for Scanner char input, although there are strategies that can be employed to make that work. But if your program needs to take command-line input from the user in ...