如何写一个Point3D的测试类（TestPoint3D类）

public class TestPoint3D{
public static void main (string [] args){
Point3D p1=new Point3D(1，6，8);
Point3D p2=new point3D(1，2，9);
ststem.out.println(\"the 1st point3d is \"+p1tostring() );
ststem.out.println(\"the 2nd point3d is \"+p2tostring() );
if(p1.qquals(p2)){
system.out.println(\"same position\");
else{
system.out.println(\"different position\");
}
}

}

}同样的哈

这个问题我不懂，帮你顶了，期望有高人回答你的问题