- 
        
        
        
        
        
        
        
        
        
        
        
        
        
        
            
            - 
                    
Methods Summary
                    
                    
                        Methods 
                        
                            | Type Params | 
                            Return Type | 
                            Name and description | 
                        
                        
                        
                             | 
                            T | 
                            head()
  | 
                        
                        
                    
                   
               
            
            - 
                    
Inherited Methods Summary
                    
                    
                        Inherited Methods 
                        
                            | Methods inherited from class | 
                            Name | 
                        
                        
                        
                            interface Iterator | 
                            remove, hasNext, next, forEachRemaining | 
                        
                        
                            class Object | 
                            wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll | 
                        
                    
                   
               
                
        
        
     
    
 
    
    
    Copyright © 2003-2018 The Apache Software Foundation. All rights reserved.