1 package com.package1;
2
3 /**
4 * 程序执行入口和调用方法在不同类但在同一个包中，除了private方法，其他任何权限的方法都可以都可相互调用
5 * @author Administrator
6 *
7 */
8 public class Source {
9 public static void main(String[] args) {
10 SamePackage samePackage =
new SamePackage();
11 System.out.println("================XX void===================="
);
12 samePackage.method1();
13 samePackage.method2();
14 samePackage.method4();
15 System.out.println("================XX static void===================="
);
16 samePackage.method11();
17 samePackage.method21();
18 samePackage.method41();
19 System.out.println("================XX static String public(protected(default))===================="
);
20 samePackage.method111(samePackage.method211(samePackage.method411("qqqqqqqqqq"
)));
21 System.out.println("================XX static String default(protected(public))===================="
);
22 samePackage.method411(samePackage.method211(samePackage.method111("qqqqqqqqqq"
)));
23 }
24 }
1 执行结果：
2 ================XX
void====================
3 SamePackage method1!
4 SamePackage method2!
5 SamePackage method4!
6 ================XX
static void====================
7 SamePackage method11!
8 SamePackage method21!
9 SamePackage method41!
10 ================XX
static String
public(
protected(
default))====================
11 SamePackage method411!
12 SamePackage method211!
13 SamePackage method111!
14 ================XX
static String
default(
protected(
public))====================
15 SamePackage method111!
16 SamePackage method211!
17 SamePackage method411!
1 package com.package1;
2
3 public class SamePackage {
4 public void method1(){
5 System.out.println("SamePackage method1!"
);
6 }
7
8 protected void method2(){
9 System.out.println("SamePackage method2!"
);
10 }
11
12 private static void method3(){
13 System.out.println("SamePackage method3!"
);
14 }
15
16 void method4(){
17 System.out.println("SamePackage method4!"
);
18 }
19
20 public static void method11(){
21 System.out.println("SamePackage method11!"
);
22 }
23
24 protected static void method21(){
25 System.out.println("SamePackage method21!"
);
26 }
27
28 private static void method31(){
29 System.out.println("SamePackage method31!"
);
30 }
31
32 static void method41(){
33 System.out.println("SamePackage method41!"
);
34 }
35
36 public static String method111(String str){
37 System.out.println("SamePackage method111!"
);
38 return str;
39 }
40
41 protected static String method211(String str){
42 System.out.println("SamePackage method211!"
);
43 return str;
44 }
45
46 private static String method311(String str){
47 System.out.println("SamePackage method311!"
);
48 return str;
49 }
50
51 static String method411(String str){
52 System.out.println("SamePackage method411!"
);
53 return str;
54 }
55
56 /**
57 * 程序执行入口和调用方法在同一个类中，任何权限的方法都可以都可相互调用
58 * @param args
59 */
60 public static void main(String[] args) {
61 SamePackage samePackage =
new SamePackage();
62 System.out.println("================XX void===================="
);
63 samePackage.method1();
64 samePackage.method2();
65 samePackage.method3();
66 samePackage.method4();
67 System.out.println("================XX static void===================="
);
68 samePackage.method11();
69 samePackage.method21();
70 samePackage.method31();
71 samePackage.method41();
72 System.out.println("================XX static String default(private(protected(public)))===================="
);
73 samePackage.method411(samePackage.method311(samePackage.method211(samePackage.method111("wwwwwww"
))));
74 System.out.println("================XX static String public(protected(private(default)))===================="
);
75 samePackage.method111(samePackage.method211(samePackage.method311(samePackage.method411("qqqqqqqqqq"
))));
76 }
77 }
1 执行结果：
2 ================XX
void====================
3 SamePackage method1!
4 SamePackage method2!
5 SamePackage method3!
6 SamePackage method4!
7 ================XX
static void====================
8 SamePackage method11!
9 SamePackage method21!
10 SamePackage method31!
11 SamePackage method41!
12 ================XX
static String
default(
private(
protected(
public)))====================
13 SamePackage method111!
14 SamePackage method211!
15 SamePackage method311!
16 SamePackage method411!
17 ================XX
static String
public(
protected(
private(
default)))====================
18 SamePackage method411!
19 SamePackage method311!
20 SamePackage method211!
21 SamePackage method111!
1 package com.package2;
2
3 import com.package1.SamePackage;
4
5 /**
6 * 程序执行入口和调用方法在不同包中，仅public权限的方法可以调用
7 * @author Administrator
8 *
9 */
10 public class DifferentPackage {
11 public static void main(String[] args) {
12 SamePackage samePackage =
new SamePackage();
13 System.out.println("================XX void===================="
);
14 samePackage.method1();
15 System.out.println("================XX static void===================="
);
16 samePackage.method11();
17 }
18 }
1 执行结果：
2 ================XX
void====================
3 SamePackage method1!
4 ================XX
static void====================
5 SamePackage method11!
转载于:https://www.cnblogs.com/celine/p/8997879.html
