如何在java中创建自自己的包并引用它,我是一个初学者,就拿下面的例子来吧 。
package Family;
class Father
{ public void meth1(int a,int b )
{ int c;
c=a+b;
System.out.println("a+b="+c);
}
class mother extends Father
{ public void meth2(int a,int b)
{ int area;
area=a*b;
System.out.println("a*b="+area);
super.meth1(a,b);
}
}
import Family;
class Test10
{ public static void main(String args[])
{ Mother a =new Mother();
a.meth(2,3);
}
}
package Family;
class Father
{ public void meth1(int a,int b )
{ int c;
c=a+b;
System.out.println("a+b="+c);
}
class mother extends Father
{ public void meth2(int a,int b)
{ int area;
area=a*b;
System.out.println("a*b="+area);
super.meth1(a,b);
}
}
import Family;
class Test10
{ public static void main(String args[])
{ Mother a =new Mother();
a.meth(2,3);
}
}
把import Family;改成import Family.Mother;
import Family.*;另外,建议Family首字母小写