????java???????????????????????????????????????????????
????1. ?????????????????public?? default(?????????????д)
????default??????????????
??????????????????????static???Σ?????static???ε??????????????
????2. ????????????????????????private?? default?? protected?? public
?????????????μ????????(Yes????????????????????)

??????????????? ???????????
1 package com.gxa.day8.am;
2
3 import com.gxa.day8.DefaultSample;
4 import com.gxa.day8.PrivateSample;
5 import com.gxa.day8.ProtectedSample;
6 import com.gxa.day8.PublicSample;
7
8 /**
9  * AccessSample????????????η??????
10  * 1. private ??????????????
11  * 2. ??? ???????????????·???
12  * 3. protected ????????????????? ??????????????
13  * 4. public ??????????????????????????????κμ?й????????????
14  * @author caleb
15  *
16  */
17 public class AccessSample extends ProtectedSample {
18
19     public void m01() {
20         this.name = ""; //?????ProtectedSample?μ?name???м?й???????name?????
21     }
22
23     public static void main(String[] args) {
24         PrivateSample privateSample = new PrivateSample();
25         privateSample.name = ""; //???????private???ε?name
26
27         DefaultSample defaultSample = new DefaultSample();
28         defaultSample.name = ""; //???????????????μ?name
29
30         ProtectedSample protectedSample = new ProtectedSample();
31         protectedSample.name = ""; //???????? ???????????й????????? ?????????????
32
33         PublicSample publicSample = new PublicSample();
34         publicSample.name = ""; //?????PublicSample???μ?name
35     }
36 }
???????????
????java????????????????????????а?????????????????????ж???????
?????ò???????????public?????????????塣