java-design-patterns/service-locator/src/main/java/com/iluwatar/App.java

package com.iluwatar;

/**
 * Service locator pattern, used to lookup jndi services
 * and cache them for subsequent requests.
 *
 * @author saifasif
 */
public class App {
    public static void main(String[] args) {
        Service service = ServiceLocator.getService("jndi/serviceA");
        service.execute();
        service = ServiceLocator.getService("jndi/serviceB");
        service.execute();
        service = ServiceLocator.getService("jndi/serviceA");
        service.execute();
        service = ServiceLocator.getService("jndi/serviceA");
        service.execute();
    }
}