static float area ( float a ) {
  if ( a < 0 ) return - 1 ;
  float area = ( float ) Math . pow ( ( a * Math . sqrt ( 3 ) ) / ( Math . sqrt ( 2 ) ) , 2 ) ;
  return area ;
}

static float area ( float a ) { if ( a < 0 ) return - 1 ; float area = ( float ) Math . pow ( ( a * Math . sqrt ( 3 ) ) / ( Math . sqrt ( 2 ) ) , 2 ) ; return area ; }
(method_declaration (modifiers) type: (floating_point_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (unary_expression operand: (decimal_integer_literal)))) (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (floating_point_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) right: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) (decimal_integer_literal)))))) (return_statement (identifier))))