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        1. JavaPԇ֪Rc

          rg2023-03-07 12:15:18 JAVAJC ҪͶ
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          JavaPԇ֪Rc\

          JavaṩObject^PϵͬһõĘObjectObject܏ʹõСռJavaPԇ֪RcϣJx!

          JavaPԇ֪Rc\

          1.@ClassNʽ

          // 1. o@ d

          String classname = "cn.itcast.reflect.Person";// ļ

          Class clazz = Class.forName(classname);// ˌPerson.class

          // 2. õˌ֪ʲô ګ@Ì

          Object obj = new Person();

          Class clazz1 = obj.getClass();// @Ìw

          // 3. _ث@ijClass Ҫڂ

          Class clazz2 = Person.class;

          һJavaĎ׷Nʽ

          (1) newZ䄓@ҊĄķ

          (2) \÷ֶ,{java.lang.Classjava.lang.reflect.ConstructornewInstance()

          (3) {Ìclone()

          (4) \÷лֶ{java.io.ObjectInputStream readObject()

          (1)(2)_@ʽ{Ø캯 ;(3)ڃȴόЌӰӡԲ{Ø캯 ;(4)Ǐļ߀ԭČҲ{Ø캯

          2.Java׃Ϸ

          $ ĸ„_^Ŀǔĸ„;Ԕ_^JavaPI

          3.

          abstractstaticnativesynchronized

          native•طoϵyȥFJNI{Õrʹ

          4.oB׃Main

          Mainпֱʹstatic׃ֱʹ÷oB׃ʹ÷oB׃Ҫnewʹ

          oB{÷oBķ׃(ѽڵĖ|߀ڵĖ|);oBֱ{oB׃ҽoxֵڷoBжxoB׃;

          5.L(ⲿ)

          (1)publicԱL(all)

          (2)privateֻܱԼL޸

          (3)protectedͬһL 

          (4)default(ĬJ)ͬһеL•r]мJfriendly 

          6.Java^еĘ췽

          (1)Ę^б{Ę췽

          (2)ԼĘ췽ʹsuper(argument_list){ûĘ췽

          2.1ʹthis(argument_list){ñ☋췽

          2.2{super회췽ĵһ

          (3)Ę췽Л]@ʾ{ûĘ췽tϵyĬJ{ûğo췽

          (4)췽мț]@ʾ{û췽֛]ПoĘ췽tge

          JavaPԇ֪RcP£

          СZij֪Rc06-30

          xСZij֪RcR07-29

          СZij֪RcR02-01

          СW֪Rc06-24

          Сtlj֪Rc06-26

          ӛС֪Rc06-25

          ǻ̘Itc֪Rc03-26

          СWӢZ40֪Rc03-10

          2017пӢZZ֪Rc5008-18

          2016п֪Rcw{01-23

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