Java’s String class encapsulates an ... method will generate a new String because the method will execute its action, so the references will be different. Finally, when trim() executes its ...

The Java tutorial Java 101: Classes and objects in Java introduces the fundamentals of Java classes and objects, including how to declare classes, describe attributes via fields, describe ...

The following example uses the Integer wrapper class’ parse method to convert a text String to a long: Note that an instance of the Long wrapper class is different from the lower-case long primitive ...

To help demystify the most complicated of these, let’s look at a few different JOptionPane showOptionDialog examples. The JOptionPane’s showOptionDialog method requires an array of text Strings ...