The getPackageName() method of java.lang.Class class is used to get the package name of this entity. This entity can be a class, an array, an interface, etc. The method returns the package name of this entity as a String.
Syntax:
public String getPackageName()
Parameter: This method does not accept any parameter.
Return Value: This method returns the package name of this entity as a String.
Below programs demonstrate the getPackageName() method.
Note: This method was introduced in Java 9. Hence to run this method, we need a compiler with Java 9. So this won’t run in the online IDE.
Example 1:
Java
// Java program to demonstrate getPackageName() methodpublic class Test { public static void main(String[] args) throws ClassNotFoundException { // returns the Class object for this class Class myClass = Class.forName("Test"); System.out.println("Class represented by myClass: " + myClass.toString()); // Get the package name of myClass // using getPackageName() method System.out.println("PackageName of myClass: " + myClass.getPackageName()); }} |
Output:
Class represented by myClass: class Test PackageName of myClass:
Example 2:
Java
// Java program to demonstrate getPackageName() methodpublic class Test { class Arr { } public static void main(String[] args) throws ClassNotFoundException { // returns the Class object Class myClass = Class.forName("java.lang.String"); // Get the package name of myClass // using getPackageName() method System.out.println("PackageName of myClass: " + myClass.getPackageName()); }} |
Output:
Class represented by myClass: class java.lang.String PackageName of myClass: java.lang
Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getPackageName–
