ClassLoader.setClassAssertionStatus() Method

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Description

The java.lang.ClassLoader.setClassAssertionStatus() method sets the desired assertion status for the named top-level class in this class loader and any nested classes contained therein. If the named class is not a top-level class, this invocation will have no effect on the actual assertion status of any class.

Declaration

Following is the declaration for java.lang.ClassLoader.setClassAssertionStatus() method

public void setClassAssertionStatus(String className, boolean enabled)

Parameters

  • className -- This is the fully qualified class name of the top-level class whose assertion status is to be set.

  • enabled -- Set it as true if the named class is to have assertions enabled when (and if) it is initialized, false if the class is to have assertions disabled.

Return Value

This method does not return any value.

Exception

  • NA

Example

The following example shows the usage of java.lang.ClassLoader.setClassAssertionStatus() method.

package com.tutorialspoint;

import java.lang.*;

public class ClassLoaderDemo {

   public static void main(String[] args) throws Exception {
     
     Class cls = Class.forName("ClassLoaderDemo");

     // returns the ClassLoader object associated with this Class
     ClassLoader cLoader = cls.getClassLoader();
    
     System.out.println(cLoader.getClass());
    
     // returns the parent ClassLoader
     System.out.println(cLoader.getParent());
  
     // sets the desired assertion status 
     cLoader.setClassAssertionStatus("ClassLoaderDemo", true); 
   }
} 

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

class sun.misc.Launcher$AppClassLoader
sun.misc.Launcher$ExtClassLoader@35ce36



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