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Java ClassLoader getResource() method with example

ClassLoader Class getResource() method: Here, we are going to learn about the getResource() method of ClassLoader Class with its syntax and example.
Submitted by Preeti Jain, on November 28, 2019

ClassLoader Class getResource() method

• getResource() method is available in java.lang package.
• getResource() method is used to return the resource with the given resource name in URL objects.
• getResource() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• getResource() method does not throw an exception at the time of returning resource.

Syntax:

    public URL getResource(String resource_name);

Parameter(s):

• String resource_name – represents the name of the resource.

Return value:

The return type of this method is URL, it returns URL object for scanning the resource otherwise it returns null when the given resource does not exist.

Example:

// Java program to demonstrate the example 
// of URL getResource(String resource_name)
// method of ClassLoader 

import java.net.*;

public class GetResourceOfClassLoader {
    public static void main(String args[]) throws Exception {
        // It loads the class 
        Class cl = Class.forName("GetResourceOfClassLoader");

        // It returns the class loader associated with 
        // the given class
        ClassLoader loader = cl.getClassLoader();

        // Display Loader Class
        System.out.println("Loader Class : ");
        System.out.println(loader.getClass());

        System.out.println();

        // It returns the resource associates with this Class
        // GetParentOfClassLoader
        URL res_url = loader.getResource("E://Programs//getProperties().doc");

        // Display Resource
        System.out.println("Class Resource : ");
        System.out.println(res_url);
    }
}

Output

Loader Class :
class sun.misc.Launcher$AppClassLoader

Class Resource :
file:/E:/Programs/getProperties().doc