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Class getModule() method in Java with Examples

  • Last Updated : 28 Nov, 2019

The getModule() method of java.lang.Class class is used to get the module of this entity. This entity can be a class, an array, an interface, etc. The method returns the module of the entity.

Syntax:

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public Module getModule()

Parameter: This method does not accept any paramter.

Return Value: This method returns the module of the entity.



Below programs demonstrate the getModule() 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 program to demonstrate getModule() method
  
public 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 module of myClass
        // using getModule() method
        System.out.println("Module of myClass: "
                           + myClass.getModule());
    }
}

Output:

Class represented by myClass: class Test
Module of myClass: unnamed module @23fc625e

Example 2:




// Java program to demonstrate getModule() method
  
public class Test {
  
    class Arr {
    }
  
    public static void main(String[] args)
        throws ClassNotFoundException
    {
        // returns the Class object for Arr
        Class arrClass = Arr.class;
  
        // Get the module of arrClass
        // using getModule() method
        System.out.println("Module of arrClass: "
                           + arrClass.getModule());
    }
}

Output:

Module of arrClass: unnamed module @23fc625e

Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getModule–




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