Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also ...

However, unlike public access, the code must be located in a class that belongs to the same package (discussed later in the Java 101 series) as the class containing the member that is to be accessed.

package com.developer; import java.io.File; public class ListFilesExample ... The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: ...

Java’s main function. Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function requires a public ...

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