public static double maxEdges ( double N ) {
  double edges = 0 ;
  edges = Math . floor ( ( N * N ) / 4 ) ;
  return edges ;
}

public static double maxEdges ( double N ) { double edges = 0 ; edges = Math . floor ( ( N * N ) / 4 ) ; return edges ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))))) (return_statement (identifier))))