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public class Singleton {
    private static Singleton uniqueInstance = null;
 
    private Singleton() {
       // Exists only to defeat instantiation.
    }
 
    public static Singleton getInstance() {
       if (uniqueInstance == null) {
           uniqueInstance = new Singleton();
       }
       return uniqueInstance;
    }
    // Other methods...
}
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package cn.test;


import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;


/**
* Java Reflection Cookbook
*
* @author Michael Lee
* @since 2006-8-23
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