Java Class getClassLoader() Method

The getClassLoader() method of java Class class returns the class loader for the class which called this method. If this class is loaded by the bootstrap class loader, then it will return null.

Syntax

Parameter

No parameter is passed.

Returns

Return the class loader.

Throws

SecurityException

Example 1

//import statements
import java.lang.*;

public class ClassgetClassLoaderExample1 {

   public static void main(String[] args) {

      try {
        
         Class clsobj = Class.forName("Class.ClassgetClassLoaderExample1");

         ClassLoader ClsLoader = clsobj.getClassLoader();

         if (ClsLoader == null) {
            System.out.println("System class was used.");
         } else {
            // returns the class loader
            Class loaderCls = ClsLoader.getClass();

            System.out.println("Associated with ClassLoader = " +loaderCls.getName());
         }
      } catch (ClassNotFoundException e) {
         System.out.println(e.toString()); //coverting exception object to string and printing it
      }
   }
} 

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Output:

Associated with ClassLoader = sun.misc.Launcher$AppClassLoader

Example 2

//import statements...
public class ClassgetClassLoaderExample2  {

  public static void main(String[] args) throws Exception {
    Class clsobj = Class.forName("java.lang.String");
    
    ClassLoader ClassLoader = clsobj.getClassLoader();

    if (ClassLoader == null) {
      System.out.println("System class is used...");
    } else {
      
      Class loaderClass = ClassLoader.getClass();
      System.out.println(loaderClass.getName());
    }
  }
}

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Output: