How do you create java packages using notepad++?

Question

I am trying to create a java file that will read in xml files but for me to do this i need to use a DOM Parser which involves creating a package and declaring it and i was just wondering how do you do that

Answer 1

Packages in Java classes reflect the folder structure of your project. For example, if your project is located in the project folder, and the structure of your project is:

project\
project\mypackage\
project\mypackage\MyClass.java

then the MyClass.java file should contain the corresponding package declaration:

package mypackage;

public class MyClass {

You should also read a tutorial on packages to better understand how they work: https://docs.oracle.com/javase/tutorial/java/package/index.html

Answer 2

A package is declared as the first non-comment line in your Java source file:

package an.example.pkg;

public class Foo {
  // code here
}

Will declare a class named Foo in a package called an.example.pkg.

Of course, the package is associated with a folder on your file system, so your .java file would actually need to be located in a directory called <some directory>/an/example/pkg in your file system (where <some directory> is a directory that is in your Java classpath).

The package tells Java where to search to find your classes, i.e. in which folders relative to your classpath to look.