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Sample sample=new Sample(参数);
Sample mysample=new MySample();
Sample hissample=new HisSample();
public class Factory{
public static Sample creator(int which){
//getClass 产生Sample 一般可使用动态类装载装入类。
if (which==1)
return new SampleA();
else if (which==2)
return new SampleB();
}
}
Sample sampleA=Factory.creator(1);