static int isPerfectCube ( int x ) {
  double cr = Math . round ( Math . cbrt ( x ) ) ;
  if ( cr * cr * cr == ( double ) x ) return x ;
  return 0 ;
}

static int isPerfectCube ( int x ) { double cr = Math . round ( Math . cbrt ( x ) ) ; if ( cr * cr * cr == ( double ) x ) return x ; return 0 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (cast_expression type: (floating_point_type) value: (identifier)))) consequence: (return_statement (identifier))) (return_statement (decimal_integer_literal))))