final object reference variable in java | final classes in java

   Java Object finalize() Method

Finalize() is the method of Object class. This method is called just before an object is garbage collected. finalize() method overrides to dispose system resources, perform clean-up activities and minimize memory leaks.

final object in java language

Syntax:

protected void finalize() throws Throwable

Throw

Throwable - the Exception is raised by this method

Example

public class JavafinalizeExample1 {  

     public static void main(String[] args)   

    {   

        JavafinalizeExample1 obj = new JavafinalizeExample1();   

        System.out.println(obj.hashCode());   

        obj = null;   

        // calling garbage collector    

        System.gc();   

        System.out.println("end of garbage collection");   

  

    }   

    @Override  

    protected void finalize()   

    {   

        System.out.println("finalize method called");   

    }   

} 

Output:

2018699554

End of garbage collection

finalize method called 

final classes method object