factory.java

<设计模式-Java语言中的应用> 的源码

package factory;

public abstract class Factory {
    public static Factory getFactory(String classname) {
        Factory factory = null;
        try {
            factory = (Factory)Class.forName(classname).newInstance();
        } catch (ClassNotFoundException e) {
            System.err.println("找不到类　" + classname + "