Java Thread setContextClassLoader() method

The setContextClassLoader() method of thread class sets the context ClassLoader for the thread. The context ClassLoader can be set when a thread is created. It allows the creator of the thread to provide the appropriate class loader through getContextClassLoader to code running in the thread when loading classes and resources.

Syntax

Parameter

cl: It is the context ClassLoader for Thread

Return

It does not return any value.

Exception

SecurityException: If the current thread cannot set the context ClassLoader.

Example

public class JavaSetClassLoaderExp implements Runnable 
{
    public void run() 
    {
        System.out.println("Thread is running");
        // returns the context ClassLoader for currently running thread
        ClassLoader loader = Thread.currentThread().getContextClassLoader();
        
        // sets the context ClassLoader for currently running thread
        Thread.currentThread().setContextClassLoader(loader);
        System.out.println("Context ClassLoader = " + loader);
    }
    public static void main(String args[])
    {
        JavaSetClassLoaderExp g1 = new JavaSetClassLoaderExp();
        Thread t1 = new Thread(g1);
        // call run() method
        t1.start();
    }
}

Test it Now

Output:

Thread is running
Context ClassLoader = sun.misc.Launcher$AppClassLoader@4e0e2f2a

Next TopicMultithreading Java

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