static boolean jePotpunKvadrat ( long a ) {
  long koren = Math . round ( Math . sqrt ( a ) ) ;
  return koren * koren == a ;
}

static boolean jePotpunKvadrat ( long a ) { long koren = Math . round ( Math . sqrt ( a ) ) ; return koren * koren == a ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_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))))))) (return_statement (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)))))