3.Compare two Linked Lists

static boolean compareLists(SinglyLinkedListNode head1, SinglyLinkedListNode head2) {
        
        boolean isEqual=false;
        
        while(head1!=null && head2!=null){
            
            if(head1.data==head2.data){
                
                head1=head1.next;
                head2=head2.next;
                
            }    
            else{
                
                return isEqual;
            }
        }
        
        if((head1==null && head2!=null)||(head2==null && head1!=null)){
            return isEqual;
        }
        
        isEqual=true;
        return isEqual;
        


    }