static Node newNode ( int key ) {
  Node temp = new Node ( ) ;
  temp . data = key ;
  temp . next = null ;
  return temp ;
}

static Node newNode ( int key ) { Node temp = new Node ( ) ; temp . data = key ; temp . next = null ; return temp ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (field_access object: (identifier) field: (identifier)) right: (identifier))) (expression_statement (assignment_expression left: (field_access object: (identifier) field: (identifier)) right: (null_literal))) (return_statement (identifier))))