package test;public class MyBean{private String str;private int num;//初始化public MyBean(){str="This is the initial value.";num=0;}//设置strpublic void setvalue(String avalue){str=avalue;}//得到strpublic String getvalue() {return str;}//设置numberpublic void setnumber(int Number){num=Number;}//得到numberpublic int getnumber(){return num;} }最上面的“package test;”什么用?
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