运行错误
大家帮忙看看这个程序：
class Point {
double x, y, z;
Point(double _x, double _y, double _z) {
x = _x;
y = _y;
z = _z;
}
void setX(double _x) {
x = _x;
}
double getDistance(Point p) {
return (x - p.x)*(x - p.x) + (y - p.y)*(y - p.y) + (z - p.z)*(z - p.z);
}
}
public class TestPoint {
public static void main(String[] args) {
Point p = new Point(1.0, 2.0, 3.0);
Point p1 = new Point(0.0, 0.0, 0.0);
System.out.println(p.getDistance(p1));
p.setX(5.0);
System.out.println(p.getDistance(new Point(1.0, 1.0, 1.0)));
}
}
运行java TestPoint时出现：Exception in thread "main" java.lang.NoSuchMethodError: Point.<init>(DDD)V
at TestPoint.main(TestPoint.java:22)错误，怎么回事啊？
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