Java.lang.Class.getCanonicalName() Method

---

Description

The java.lang.Class.getCanonicalName() method returns the canonical name of the underlying class as defined by the Java Language Specification. It returns null if the class does not have a canonical name.

Declaration

Following is the declaration for java.lang.Class.getCanonicalName() method

public String getCanonicalName()

Parameters

NA

Return Value

This method returns the canonical name of the underlying class if it exists, and null otherwise.

Exception

NA

Example

The following example shows the usage of java.lang.Class.getCanonicalName() method.

package com.tutorialspoint;

import java.lang.*;

public class ClassDemo {

   public static void main(String[] args) {

      ClassDemo c = new ClassDemo();
      Class cls = c.getClass();

      // returns the canonical name of the underlying class if it exists
      System.out.println("Class = " + cls.getCanonicalName()); 
   }
}

Let us compile and run the above program, this will produce the following result −

Class = com.tutorialspoint.ClassDemo