JAVA的对象的例子

 

求长方形的面积:

public class Shao{

public static void main(String[] args)
{
Shao a=new Shao();
 a.Shao(1,2);
System.out.println(a.getShao());

}

int chang;
int kuan;

public void Shao()
{
chang=1;
kuan=1;
}

public void Shao(int newChang,int newKuan)
{
chang=newChang;
kuan=newKuan;
}

public int getShao()
{
return kuan*chang;
}
}

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