--- initialize

    桼饹Υ֥Ƚ᥽åɡΥ᥽åɤ 
    Class#new [Class/new] 鿷줿֥Ȥν
    Τ˸ƤӽФޤǥեȤưǤϤʤˤ⤷ޤ󡣥֥
    饹ǤϤΥ᥽åɤɬפ˱ƺ뤳ȤԤƤ
    initialize ˤ Class#new [Class/new] Ϳ줿
    ΤޤϤޤ

    ޤ initialize Ȥ̾ĥ᥽åɤϼưŪ private 
    ꤵޤ

