eagersingleton.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 19 行

package com.javapatterns.singleton.demos;

/**
 * Only once instance of the class may be created during the execution of any given program. Instances of this class should
 * be aquired through the getInstance() method. Notice that there are no public constructors for this class.
 */
public class EagerSingleton
{
    private static final EagerSingleton m_instance = new EagerSingleton();

    private EagerSingleton() { }

    public static EagerSingleton getInstance()
    {
        return m_instance;
    }

}