Google 出品的 Java 编码规范和编程指南,权威又科学,强烈推荐(21)

  • // Constants

  • staticfinalintNUMBER =5;

  • staticfinalImmutableList<String> NAMES =ImmutableList.of(\"Ed\"\"Ann\");

  • staticfinalJoinerCOMMA_JOINER =Joiner.on('');// because Joiner is immutable

  • staticfinalSomeMutableType[
    EMPTY_ARRAY = {;

  • enumSomeEnum{ ENUM_CONSTANT

  • // Not constants

  • staticStringnonFinal =\"non-final\";

  • finalStringnonStatic =\"non-static\";

  • staticfinalSet<String> mutableCollection =newHashSet<String>();

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