Nesting classes is one way to better organize your code. For example, say you have a non-nested class ... For example, the Matcher class, in java.util.regex, provides a results() ...

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 ...

Use the Java user input in your program. Java Scanner import example. Found in the java.util package, Java’s Scanner class can read input from the command line and return it as a String, BigDecimal or ...

showConfirmDialog(); showMessageDialog(); and showOptionDialog(). JOptionPane import and methods. For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user ...