1 public class ProxoolDriver implements Driver {
2 ???? private static final Log LOG = LogFactory.getLog(ProxoolDriver. class );
3 ???? static {
4 ???????? try {
5 ???????????? DriverManager.registerDriver( new ProxoolDriver());
6 ???????? } catch (SQLException e) {
7 ??????????? System.out.println(e.toString());
8 ??????? }
9 ??? }
10 }

1 public class Person {
2 ???? private String name = "Alfira" ;
3 ???? public void getName() {
4 ??????? System.out.println(name);
5 ??? }
6 ???? public void setName(String name, int a) {
7 ???????? this .name = name + a;
8 ??? }
9 }

?1 import java.lang.reflect.Method;
2
3 public class Test {
4
5 ???? /**
6 ???? * @param args
7 ????? */
8 ???? public static void main(String[] args) {
9 ???????? show("yerasel.Person" );
10 ??? }
11
12 ???? private static void show(String name) {
13 ???????? try {
14 ???????????? // JVM將使用類A的類裝載器,將類A裝入內(nèi)存(前提是:類A還沒有裝入內(nèi)存),不對類A做類的初始化工作
15 ???????????? Class classtype3 = Person. class ;
16 ???????????? // 獲得classtype中的方法
17 ???????????? Method getMethod3 = classtype3.getMethod("getName", new Class[] {});
18 ???????????? Class[] parameterTypes3 = { String. class , int . class };
19 ???????????? Method setMethod3 = classtype3
20 ???????????????????? .getMethod("setName" , parameterTypes3);
21
22 ???????????? // 實(shí)例化對象，因?yàn)檫@一句才會輸出“靜態(tài)初始化”以及“初始化”
23 ???????????? Object obj3 = classtype3.newInstance();
24 ???????????? // 通過實(shí)例化后的對象調(diào)用方法
25 ???????????? getMethod3.invoke(obj3); // 獲取默認(rèn)值
26 ???????????? setMethod3.invoke(obj3, "Setting new ", 3); // 設(shè)置
27 ???????????? getMethod3.invoke(obj3); // 獲取最新
28 ???????????? System.out.println("----------------" );
29
30 ???????????? // 返回運(yùn)行時真正所指的對象
31 ???????????? Person p = new Person();
32 ???????????? Class classtype = p.getClass(); // Class.forName(name);
33 ???????????? // 獲得classtype中的方法
34 ???????????? Method getMethod = classtype.getMethod("getName", new Class[] {});
35 ???????????? Class[] parameterTypes = { String. class , int . class };
36 ???????????? Method setMethod = classtype.getMethod("setName" , parameterTypes);
37 ???????????? getMethod.invoke(p); // 獲取默認(rèn)值
38 ???????????? setMethod.invoke(p, "Setting new ", 1); // 設(shè)置
39 ???????????? getMethod.invoke(p); // 獲取最新
40 ???????????? System.out.println("----------------" );
41
42 ???????????? // 裝入類,并做類的初始化
43 ???????????? Class classtype2 = Class.forName(name);
44 ???????????? // 獲得classtype中的方法
45 ???????????? Method getMethod2 = classtype2.getMethod("getName", new Class[] {});
46 ???????????? Class[] parameterTypes2 = { String. class , int . class };
47 ???????????? Method setMethod2 = classtype2
48 ???????????????????? .getMethod("setName" , parameterTypes2);
49 ???????????? // 實(shí)例化對象
50 ???????????? Object obj2 = classtype2.newInstance();
51 ???????????? // 通過實(shí)例化后的對象調(diào)用方法
52 ???????????? getMethod2.invoke(obj2); // 獲取默認(rèn)值
53 ???????????? setMethod2.invoke(obj2, "Setting new ", 2); // 設(shè)置
54 ???????????? getMethod2.invoke(obj2); // 獲取最新
55
56 ???????????? System.out.println("----------------" );
57
58 ???????? } catch (Exception e) {
59 ??????????? System.out.println(e);
60 ??????? }
61 ??? }
62 }