Java??????????????д??
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1 private static Class getClass(String classname)
2 throws ClassNotFoundException {
3 ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
4
5 if(classLoader == null)
6 classLoader = Singleton.class.getClassLoader();
7
8 return (classLoader.loadClass(classname));
9 }
10 }
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1 public class Singleton implements java.io.Serializable {
2 public static Singleton INSTANCE = new Singleton();
3
4 protected Singleton() {
5
6 }
7 private Object readResolve() {
8 return INSTANCE;
9 }
10 }
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?????????????????????????????????????????????????JVM??????????????????????????????????????????????£????????????????????????????lazy loadingЧ??????????????????????????漰???????л???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JDK1.5????????????????????????
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