import java.util.*;

public class MyPoint {
	private Vector _value = new Vector();
	private String _name = "";
	private int _label;
	
	public MyPoint () {
	}
	
	public MyPoint (Vector v， String n， int label) {
		this.setAll(v);
		this.setName(n);	
	}
	
	public Object clone() {
		MyPoint p = new MyPoint((Vector)_value.clone()， _name， _label);
		return (Object)p;
	}
	
	public void add(int dim， Object v) {
		_value.add(dim， v);
	}
	
	public Object set(int dim， Object v) {
		return _value.set(dim， v);
	}
	
	public void setAll(Vector v) {
		_value = v;
	}
	
	public Object get(int dim) {
		return _value.get(dim);
	}
	
	public Vector getAll() {
		return _value;
	}
	
	public String getName() {
		return _name;
	}
	
	public void setName(String n) {
		_name = n;
	}
	
	public int getLabel() {
		return _label;
	}

	public void setLabel(int l) {
		_label = l;
	}
		
	public int size() {
		return _value.size();
	}
	
	public double distance(MyPoint point) {
		double squaredDistance = 0.0;
		for(int i = 0; i < point.size(); i++){
squaredDistance += ( ((Double)this.get(i)).doubleValue() - ((Double)point.get(i)).doubleValue() ) 
* ( ((Double)this.get(i)).doubleValue() - ((Double)point.get(i)).doubleValue() ) ; 
		}
		
		return Math.sqrt(squaredDistance);
	}
	
	public void print() {
		Iterator iterator = _value.iterator();
		System.out.print(this.getLabel() + " ");
		System.out.print("( ");
		while( iterator.hasNext() ) {
			System.out.print(((Double)iterator.next()).doubleValue() + " ");
		}
		System.out.println(")");
	}
	
	public static void main_static_test(String[] args) {
		MyPoint p1 = new MyPoint();
		p1.add(0， new Double(1.0));
		p1.add(1， new Double(1.0));
		p1.print();
		
		MyPoint p2= new MyPoint();
		p2.add(0， new Double(4.0));
		p2.add(1， new Double(5.0));
		p2.print();
		
		if( p1.distance(p2) == 5.0 ) {
			System.out.println("Success!");
		}else{
			System.out.println("Fail at distance!");
		}
	}
	
		public static void main(String[] args) {
			main_static_test(args);
	}
}