??Java?е????????????
???????????? ???????[ 2014/5/7 10:08:52 ] ????????Java ????????
??????Java?У??????????????????????????“????????????”?????????????Java??????????????????2????????????????????£???????????????????????????????????????????????????
????1.??ν????
??????Java????????????е????????“????????”??????Java????????????????????????????????????????????????????????λ??????Java???????е?????????
????“???????????????????????????class????????????instance????????‘??’??‘????’???????”
??????????仰???????????????????????????????????????????е???????“????”???????“????”???????????????????????????嵽?????????????????????????????“????”???????
????2.??ν?????????
?????????????λ???
????“??????????????????????????????Щ??????????????????????????????????????????????????????????????????????????????C/C++??????????????????????Щ?? Java ????????????ж????????????????????????????????????????ж?“????”???????????????????????????????“????”??reference????”
??????λ????????Java???????????????????λ???????????????????ò???????£????????????????????????????????????????????д????????????????
????Person person = new Person("????");
?????????????????person???????????Person???????????
??????????????????person?????????????????????????????????????á?
????????????????????????????????????????????????????д???
????Person person;
????person = new Person("????");
?????????д??????????????????д?????????????????????????Java??new?????????????????????????person???????????????????????λ?????new????????????????????person??????????????????????????????λ??????????“?????????????????????????????”??????person?????????????????????????Person??????????á???????????????????????new Person("????");
???????????????
????Person person;
????person = new Person("????");
????person = new Person("????");
??????????person???????“????”?????????????????“????”?????????????Person person????仰????????????Person??????????????????κ?Person??????????????????????δ????????
????int a;
????a=2;
????a=3;
???????????????????int????????a?????a????2???????????3.????int????????a??????????????2????????3??????????int???????????ɡ?
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????Person person1 = new Person("????");
????Person person2 = person1;
????person1??person2???????“????”???????
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